Home / 885,304.70-1,328,377.18-458,760.79

Finding the Fourth Proportional to 885,304.70, 1,328,377.18 and 458,760.79

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Solution

The fourth proportional to 885,304.70, 1,328,377.18 and 458,760.79 is: 688,358.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,304.70 : 1,328,377.18 = 458,760.79 : x
  2. Step 2: Convert to fraction form
    885,304.70/1,328,377.18 = 458,760.79/x
  3. Step 3: Cross multiply
    885,304.70x = 1,328,377.18 × 458,760.79
  4. Step 4: Simplify right side
    885,304.70x = 609,407,364,514.77
  5. Step 5: Solve for x
    x = 609,407,364,514.77/885,304.70
  6. Step 6: Final answer
    x = 688,358.89

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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.