Home / 803,012.10-1,108,187.70-440,451.24

Finding the Fourth Proportional to 803,012.10, 1,108,187.70 and 440,451.24

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Solution

The fourth proportional to 803,012.10, 1,108,187.70 and 440,451.24 is: 607,839.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,012.10 : 1,108,187.70 = 440,451.24 : x
  2. Step 2: Convert to fraction form
    803,012.10/1,108,187.70 = 440,451.24/x
  3. Step 3: Cross multiply
    803,012.10x = 1,108,187.70 × 440,451.24
  4. Step 4: Simplify right side
    803,012.10x = 488,102,646,617.75
  5. Step 5: Solve for x
    x = 488,102,646,617.75/803,012.10
  6. Step 6: Final answer
    x = 607,839.72

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Double scale
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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.