Home / 630,227.40-869,787.33-358,336.02

Finding the Fourth Proportional to 630,227.40, 869,787.33 and 358,336.02

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Solution

The fourth proportional to 630,227.40, 869,787.33 and 358,336.02 is: 494,545.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,227.40 : 869,787.33 = 358,336.02 : x
  2. Step 2: Convert to fraction form
    630,227.40/869,787.33 = 358,336.02/x
  3. Step 3: Cross multiply
    630,227.40x = 869,787.33 × 358,336.02
  4. Step 4: Simplify right side
    630,227.40x = 311,676,130,078.63
  5. Step 5: Solve for x
    x = 311,676,130,078.63/630,227.40
  6. Step 6: Final answer
    x = 494,545.51

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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.