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Finding the Fourth Proportional to 670,045.31, 924,659.50 and 364,115.91

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Solution

The fourth proportional to 670,045.31, 924,659.50 and 364,115.91 is: 502,478.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,045.31 : 924,659.50 = 364,115.91 : x
  2. Step 2: Convert to fraction form
    670,045.31/924,659.50 = 364,115.91/x
  3. Step 3: Cross multiply
    670,045.31x = 924,659.50 × 364,115.91
  4. Step 4: Simplify right side
    670,045.31x = 336,683,233,321.34
  5. Step 5: Solve for x
    x = 336,683,233,321.34/670,045.31
  6. Step 6: Final answer
    x = 502,478.30

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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.