Home / 750,374.28-1,035,508.66-406,202.45

Finding the Fourth Proportional to 750,374.28, 1,035,508.66 and 406,202.45

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Solution

The fourth proportional to 750,374.28, 1,035,508.66 and 406,202.45 is: 560,555.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,374.28 : 1,035,508.66 = 406,202.45 : x
  2. Step 2: Convert to fraction form
    750,374.28/1,035,508.66 = 406,202.45/x
  3. Step 3: Cross multiply
    750,374.28x = 1,035,508.66 × 406,202.45
  4. Step 4: Simplify right side
    750,374.28x = 420,626,148,495.17
  5. Step 5: Solve for x
    x = 420,626,148,495.17/750,374.28
  6. Step 6: Final answer
    x = 560,555.13

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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.