Home / 502,152.72-692,802.16-284,331.62

Finding the Fourth Proportional to 502,152.72, 692,802.16 and 284,331.62

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Solution

The fourth proportional to 502,152.72, 692,802.16 and 284,331.62 is: 392,282.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,152.72 : 692,802.16 = 284,331.62 : x
  2. Step 2: Convert to fraction form
    502,152.72/692,802.16 = 284,331.62/x
  3. Step 3: Cross multiply
    502,152.72x = 692,802.16 × 284,331.62
  4. Step 4: Simplify right side
    502,152.72x = 196,985,559,070.64
  5. Step 5: Solve for x
    x = 196,985,559,070.64/502,152.72
  6. Step 6: Final answer
    x = 392,282.17

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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.