Home / 832,001.10-1,248,001.65-512,666.70

Finding the Fourth Proportional to 832,001.10, 1,248,001.65 and 512,666.70

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Solution

The fourth proportional to 832,001.10, 1,248,001.65 and 512,666.70 is: 769,000.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,001.10 : 1,248,001.65 = 512,666.70 : x
  2. Step 2: Convert to fraction form
    832,001.10/1,248,001.65 = 512,666.70/x
  3. Step 3: Cross multiply
    832,001.10x = 1,248,001.65 × 512,666.70
  4. Step 4: Simplify right side
    832,001.10x = 639,808,887,500.06
  5. Step 5: Solve for x
    x = 639,808,887,500.06/832,001.10
  6. Step 6: Final answer
    x = 769,000.05

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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.