Home / 758,909.60-1,138,801.80-285,934.40

Finding the Fourth Proportional to 758,909.60, 1,138,801.80 and 285,934.40

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Solution

The fourth proportional to 758,909.60, 1,138,801.80 and 285,934.40 is: 429,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,909.60 : 1,138,801.80 = 285,934.40 : x
  2. Step 2: Convert to fraction form
    758,909.60/1,138,801.80 = 285,934.40/x
  3. Step 3: Cross multiply
    758,909.60x = 1,138,801.80 × 285,934.40
  4. Step 4: Simplify right side
    758,909.60x = 325,622,609,401.92
  5. Step 5: Solve for x
    x = 325,622,609,401.92/758,909.60
  6. Step 6: Final answer
    x = 429,066.40

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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.