Home / 997,595.70-1,495,372.95-491,378.10

Finding the Fourth Proportional to 997,595.70, 1,495,372.95 and 491,378.10

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Solution

The fourth proportional to 997,595.70, 1,495,372.95 and 491,378.10 is: 736,564.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,595.70 : 1,495,372.95 = 491,378.10 : x
  2. Step 2: Convert to fraction form
    997,595.70/1,495,372.95 = 491,378.10/x
  3. Step 3: Cross multiply
    997,595.70x = 1,495,372.95 × 491,378.10
  4. Step 4: Simplify right side
    997,595.70x = 734,793,518,962.40
  5. Step 5: Solve for x
    x = 734,793,518,962.40/997,595.70
  6. Step 6: Final answer
    x = 736,564.44

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Double scale
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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.