Home / 957,000.30-1,434,685.05-424,230.90

Finding the Fourth Proportional to 957,000.30, 1,434,685.05 and 424,230.90

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Solution

The fourth proportional to 957,000.30, 1,434,685.05 and 424,230.90 is: 635,984.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,000.30 : 1,434,685.05 = 424,230.90 : x
  2. Step 2: Convert to fraction form
    957,000.30/1,434,685.05 = 424,230.90/x
  3. Step 3: Cross multiply
    957,000.30x = 1,434,685.05 × 424,230.90
  4. Step 4: Simplify right side
    957,000.30x = 608,637,729,978.05
  5. Step 5: Solve for x
    x = 608,637,729,978.05/957,000.30
  6. Step 6: Final answer
    x = 635,984.89

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Double scale
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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.