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Finding the Fourth Proportional to 670,130.80, 924,787.64 and 364,207.20

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Solution

The fourth proportional to 670,130.80, 924,787.64 and 364,207.20 is: 502,609.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,130.80 : 924,787.64 = 364,207.20 : x
  2. Step 2: Convert to fraction form
    670,130.80/924,787.64 = 364,207.20/x
  3. Step 3: Cross multiply
    670,130.80x = 924,787.64 × 364,207.20
  4. Step 4: Simplify right side
    670,130.80x = 336,814,316,959.01
  5. Step 5: Solve for x
    x = 336,814,316,959.01/670,130.80
  6. Step 6: Final answer
    x = 502,609.81

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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.