Home / 997,223.40-1,495,397.70-397,985.40

Finding the Fourth Proportional to 997,223.40, 1,495,397.70 and 397,985.40

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Solution

The fourth proportional to 997,223.40, 1,495,397.70 and 397,985.40 is: 596,803.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,223.40 : 1,495,397.70 = 397,985.40 : x
  2. Step 2: Convert to fraction form
    997,223.40/1,495,397.70 = 397,985.40/x
  3. Step 3: Cross multiply
    997,223.40x = 1,495,397.70 × 397,985.40
  4. Step 4: Simplify right side
    997,223.40x = 595,146,451,793.58
  5. Step 5: Solve for x
    x = 595,146,451,793.58/997,223.40
  6. Step 6: Final answer
    x = 596,803.54

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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.