Home / 724,807.36-1,000,247.72-402,547.66

Finding the Fourth Proportional to 724,807.36, 1,000,247.72 and 402,547.66

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Solution

The fourth proportional to 724,807.36, 1,000,247.72 and 402,547.66 is: 555,523.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,807.36 : 1,000,247.72 = 402,547.66 : x
  2. Step 2: Convert to fraction form
    724,807.36/1,000,247.72 = 402,547.66/x
  3. Step 3: Cross multiply
    724,807.36x = 1,000,247.72 × 402,547.66
  4. Step 4: Simplify right side
    724,807.36x = 402,647,379,106.34
  5. Step 5: Solve for x
    x = 402,647,379,106.34/724,807.36
  6. Step 6: Final answer
    x = 555,523.30

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Double scale
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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.