Home / 642,598.68-964,038.96-243,242.76

Finding the Fourth Proportional to 642,598.68, 964,038.96 and 243,242.76

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Solution

The fourth proportional to 642,598.68, 964,038.96 and 243,242.76 is: 364,917.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,598.68 : 964,038.96 = 243,242.76 : x
  2. Step 2: Convert to fraction form
    642,598.68/964,038.96 = 243,242.76/x
  3. Step 3: Cross multiply
    642,598.68x = 964,038.96 × 243,242.76
  4. Step 4: Simplify right side
    642,598.68x = 234,495,497,377.93
  5. Step 5: Solve for x
    x = 234,495,497,377.93/642,598.68
  6. Step 6: Final answer
    x = 364,917.49

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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.