Home / 630,704.28-870,365.10-344,222.04

Finding the Fourth Proportional to 630,704.28, 870,365.10 and 344,222.04

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Solution

The fourth proportional to 630,704.28, 870,365.10 and 344,222.04 is: 475,022.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,704.28 : 870,365.10 = 344,222.04 : x
  2. Step 2: Convert to fraction form
    630,704.28/870,365.10 = 344,222.04/x
  3. Step 3: Cross multiply
    630,704.28x = 870,365.10 × 344,222.04
  4. Step 4: Simplify right side
    630,704.28x = 299,598,850,266.80
  5. Step 5: Solve for x
    x = 299,598,850,266.80/630,704.28
  6. Step 6: Final answer
    x = 475,022.70

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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.