Home / 442,932.10-662,648.55-384,417.70

Finding the Fourth Proportional to 442,932.10, 662,648.55 and 384,417.70

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Solution

The fourth proportional to 442,932.10, 662,648.55 and 384,417.70 is: 575,108.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,932.10 : 662,648.55 = 384,417.70 : x
  2. Step 2: Convert to fraction form
    442,932.10/662,648.55 = 384,417.70/x
  3. Step 3: Cross multiply
    442,932.10x = 662,648.55 × 384,417.70
  4. Step 4: Simplify right side
    442,932.10x = 254,733,831,499.34
  5. Step 5: Solve for x
    x = 254,733,831,499.34/442,932.10
  6. Step 6: Final answer
    x = 575,108.08

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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.