Home / 832,590.80-1,149,005.10-470,079.15

Finding the Fourth Proportional to 832,590.80, 1,149,005.10 and 470,079.15

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Solution

The fourth proportional to 832,590.80, 1,149,005.10 and 470,079.15 is: 648,726.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,590.80 : 1,149,005.10 = 470,079.15 : x
  2. Step 2: Convert to fraction form
    832,590.80/1,149,005.10 = 470,079.15/x
  3. Step 3: Cross multiply
    832,590.80x = 1,149,005.10 × 470,079.15
  4. Step 4: Simplify right side
    832,590.80x = 540,123,335,563.50
  5. Step 5: Solve for x
    x = 540,123,335,563.50/832,590.80
  6. Step 6: Final answer
    x = 648,726.04

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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.