Home / 937,815.20-1,406,722.80-465,423.20

Finding the Fourth Proportional to 937,815.20, 1,406,722.80 and 465,423.20

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Solution

The fourth proportional to 937,815.20, 1,406,722.80 and 465,423.20 is: 698,134.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,815.20 : 1,406,722.80 = 465,423.20 : x
  2. Step 2: Convert to fraction form
    937,815.20/1,406,722.80 = 465,423.20/x
  3. Step 3: Cross multiply
    937,815.20x = 1,406,722.80 × 465,423.20
  4. Step 4: Simplify right side
    937,815.20x = 654,721,427,088.96
  5. Step 5: Solve for x
    x = 654,721,427,088.96/937,815.20
  6. Step 6: Final answer
    x = 698,134.80

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1.5x scale

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.