Home / 934,484.30-1,402,382.55-402,387.20

Finding the Fourth Proportional to 934,484.30, 1,402,382.55 and 402,387.20

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Solution

The fourth proportional to 934,484.30, 1,402,382.55 and 402,387.20 is: 603,863.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,484.30 : 1,402,382.55 = 402,387.20 : x
  2. Step 2: Convert to fraction form
    934,484.30/1,402,382.55 = 402,387.20/x
  3. Step 3: Cross multiply
    934,484.30x = 1,402,382.55 × 402,387.20
  4. Step 4: Simplify right side
    934,484.30x = 564,300,787,623.36
  5. Step 5: Solve for x
    x = 564,300,787,623.36/934,484.30
  6. Step 6: Final answer
    x = 603,863.32

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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.