Home / 690,938.40-1,034,066.70-424,867.44

Finding the Fourth Proportional to 690,938.40, 1,034,066.70 and 424,867.44

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Solution

The fourth proportional to 690,938.40, 1,034,066.70 and 424,867.44 is: 635,861.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,938.40 : 1,034,066.70 = 424,867.44 : x
  2. Step 2: Convert to fraction form
    690,938.40/1,034,066.70 = 424,867.44/x
  3. Step 3: Cross multiply
    690,938.40x = 1,034,066.70 × 424,867.44
  4. Step 4: Simplify right side
    690,938.40x = 439,341,271,618.25
  5. Step 5: Solve for x
    x = 439,341,271,618.25/690,938.40
  6. Step 6: Final answer
    x = 635,861.71

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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.