Home / 739,539.13-1,020,543.29-417,279.21

Finding the Fourth Proportional to 739,539.13, 1,020,543.29 and 417,279.21

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Solution

The fourth proportional to 739,539.13, 1,020,543.29 and 417,279.21 is: 575,833.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,539.13 : 1,020,543.29 = 417,279.21 : x
  2. Step 2: Convert to fraction form
    739,539.13/1,020,543.29 = 417,279.21/x
  3. Step 3: Cross multiply
    739,539.13x = 1,020,543.29 × 417,279.21
  4. Step 4: Simplify right side
    739,539.13x = 425,851,497,822.00
  5. Step 5: Solve for x
    x = 425,851,497,822.00/739,539.13
  6. Step 6: Final answer
    x = 575,833.62

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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.