Home / 758,369.79-1,046,543.90-418,830.75

Finding the Fourth Proportional to 758,369.79, 1,046,543.90 and 418,830.75

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Solution

The fourth proportional to 758,369.79, 1,046,543.90 and 418,830.75 is: 577,982.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,369.79 : 1,046,543.90 = 418,830.75 : x
  2. Step 2: Convert to fraction form
    758,369.79/1,046,543.90 = 418,830.75/x
  3. Step 3: Cross multiply
    758,369.79x = 1,046,543.90 × 418,830.75
  4. Step 4: Simplify right side
    758,369.79x = 438,324,764,450.77
  5. Step 5: Solve for x
    x = 438,324,764,450.77/758,369.79
  6. Step 6: Final answer
    x = 577,982.89

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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.