Home / 508,811.10-763,327.35-153,815.85

Finding the Fourth Proportional to 508,811.10, 763,327.35 and 153,815.85

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Solution

The fourth proportional to 508,811.10, 763,327.35 and 153,815.85 is: 230,757.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,811.10 : 763,327.35 = 153,815.85 : x
  2. Step 2: Convert to fraction form
    508,811.10/763,327.35 = 153,815.85/x
  3. Step 3: Cross multiply
    508,811.10x = 763,327.35 × 153,815.85
  4. Step 4: Simplify right side
    508,811.10x = 117,411,845,168.50
  5. Step 5: Solve for x
    x = 117,411,845,168.50/508,811.10
  6. Step 6: Final answer
    x = 230,757.24

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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.