Home / 684,349.30-1,025,802.24-284,587.57

Finding the Fourth Proportional to 684,349.30, 1,025,802.24 and 284,587.57

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Solution

The fourth proportional to 684,349.30, 1,025,802.24 and 284,587.57 is: 426,581.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,349.30 : 1,025,802.24 = 284,587.57 : x
  2. Step 2: Convert to fraction form
    684,349.30/1,025,802.24 = 284,587.57/x
  3. Step 3: Cross multiply
    684,349.30x = 1,025,802.24 × 284,587.57
  4. Step 4: Simplify right side
    684,349.30x = 291,930,566,782.16
  5. Step 5: Solve for x
    x = 291,930,566,782.16/684,349.30
  6. Step 6: Final answer
    x = 426,581.23

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Double scale
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Similar ratio
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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.