Home / 888,142.02-1,225,635.12-480,242.89

Finding the Fourth Proportional to 888,142.02, 1,225,635.12 and 480,242.89

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Solution

The fourth proportional to 888,142.02, 1,225,635.12 and 480,242.89 is: 662,734.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,142.02 : 1,225,635.12 = 480,242.89 : x
  2. Step 2: Convert to fraction form
    888,142.02/1,225,635.12 = 480,242.89/x
  3. Step 3: Cross multiply
    888,142.02x = 1,225,635.12 × 480,242.89
  4. Step 4: Simplify right side
    888,142.02x = 588,602,547,800.38
  5. Step 5: Solve for x
    x = 588,602,547,800.38/888,142.02
  6. Step 6: Final answer
    x = 662,734.71

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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.