Home / 772,246.24-1,065,689.52-432,721.12

Finding the Fourth Proportional to 772,246.24, 1,065,689.52 and 432,721.12

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Solution

The fourth proportional to 772,246.24, 1,065,689.52 and 432,721.12 is: 597,149.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,246.24 : 1,065,689.52 = 432,721.12 : x
  2. Step 2: Convert to fraction form
    772,246.24/1,065,689.52 = 432,721.12/x
  3. Step 3: Cross multiply
    772,246.24x = 1,065,689.52 × 432,721.12
  4. Step 4: Simplify right side
    772,246.24x = 461,146,362,666.66
  5. Step 5: Solve for x
    x = 461,146,362,666.66/772,246.24
  6. Step 6: Final answer
    x = 597,149.38

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Double scale
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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.