Home / 761,690.52-1,051,131.60-417,526.20

Finding the Fourth Proportional to 761,690.52, 1,051,131.60 and 417,526.20

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Solution

The fourth proportional to 761,690.52, 1,051,131.60 and 417,526.20 is: 576,185.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,690.52 : 1,051,131.60 = 417,526.20 : x
  2. Step 2: Convert to fraction form
    761,690.52/1,051,131.60 = 417,526.20/x
  3. Step 3: Cross multiply
    761,690.52x = 1,051,131.60 × 417,526.20
  4. Step 4: Simplify right side
    761,690.52x = 438,874,982,647.92
  5. Step 5: Solve for x
    x = 438,874,982,647.92/761,690.52
  6. Step 6: Final answer
    x = 576,185.43

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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.