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Finding the Fourth Proportional to 670,050.30, 924,884.90 and 428,982.16

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Solution

The fourth proportional to 670,050.30, 924,884.90 and 428,982.16 is: 592,133.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,050.30 : 924,884.90 = 428,982.16 : x
  2. Step 2: Convert to fraction form
    670,050.30/924,884.90 = 428,982.16/x
  3. Step 3: Cross multiply
    670,050.30x = 924,884.90 × 428,982.16
  4. Step 4: Simplify right side
    670,050.30x = 396,759,122,153.38
  5. Step 5: Solve for x
    x = 396,759,122,153.38/670,050.30
  6. Step 6: Final answer
    x = 592,133.34

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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.