Home / 749,774.20-1,124,807.10-217,312.60

Finding the Fourth Proportional to 749,774.20, 1,124,807.10 and 217,312.60

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Solution

The fourth proportional to 749,774.20, 1,124,807.10 and 217,312.60 is: 326,011.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,774.20 : 1,124,807.10 = 217,312.60 : x
  2. Step 2: Convert to fraction form
    749,774.20/1,124,807.10 = 217,312.60/x
  3. Step 3: Cross multiply
    749,774.20x = 1,124,807.10 × 217,312.60
  4. Step 4: Simplify right side
    749,774.20x = 244,434,755,399.46
  5. Step 5: Solve for x
    x = 244,434,755,399.46/749,774.20
  6. Step 6: Final answer
    x = 326,011.16

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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.