Home / 912,899.04-1,370,590.56-513,821.76

Finding the Fourth Proportional to 912,899.04, 1,370,590.56 and 513,821.76

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Solution

The fourth proportional to 912,899.04, 1,370,590.56 and 513,821.76 is: 771,431.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,899.04 : 1,370,590.56 = 513,821.76 : x
  2. Step 2: Convert to fraction form
    912,899.04/1,370,590.56 = 513,821.76/x
  3. Step 3: Cross multiply
    912,899.04x = 1,370,590.56 × 513,821.76
  4. Step 4: Simplify right side
    912,899.04x = 704,239,253,778.59
  5. Step 5: Solve for x
    x = 704,239,253,778.59/912,899.04
  6. Step 6: Final answer
    x = 771,431.69

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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.