Home / 539,075.20-807,543.60-472,590.40

Finding the Fourth Proportional to 539,075.20, 807,543.60 and 472,590.40

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Solution

The fourth proportional to 539,075.20, 807,543.60 and 472,590.40 is: 707,948.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,075.20 : 807,543.60 = 472,590.40 : x
  2. Step 2: Convert to fraction form
    539,075.20/807,543.60 = 472,590.40/x
  3. Step 3: Cross multiply
    539,075.20x = 807,543.60 × 472,590.40
  4. Step 4: Simplify right side
    539,075.20x = 381,637,352,941.44
  5. Step 5: Solve for x
    x = 381,637,352,941.44/539,075.20
  6. Step 6: Final answer
    x = 707,948.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.