Home / 755,117.10-1,042,085.79-432,888.30

Finding the Fourth Proportional to 755,117.10, 1,042,085.79 and 432,888.30

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Solution

The fourth proportional to 755,117.10, 1,042,085.79 and 432,888.30 is: 597,399.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,117.10 : 1,042,085.79 = 432,888.30 : x
  2. Step 2: Convert to fraction form
    755,117.10/1,042,085.79 = 432,888.30/x
  3. Step 3: Cross multiply
    755,117.10x = 1,042,085.79 × 432,888.30
  4. Step 4: Simplify right side
    755,117.10x = 451,106,746,087.26
  5. Step 5: Solve for x
    x = 451,106,746,087.26/755,117.10
  6. Step 6: Final answer
    x = 597,399.72

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.