Home / 997,630.20-1,495,424.70-491,412.60

Finding the Fourth Proportional to 997,630.20, 1,495,424.70 and 491,412.60

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Solution

The fourth proportional to 997,630.20, 1,495,424.70 and 491,412.60 is: 736,616.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,630.20 : 1,495,424.70 = 491,412.60 : x
  2. Step 2: Convert to fraction form
    997,630.20/1,495,424.70 = 491,412.60/x
  3. Step 3: Cross multiply
    997,630.20x = 1,495,424.70 × 491,412.60
  4. Step 4: Simplify right side
    997,630.20x = 734,870,539,931.22
  5. Step 5: Solve for x
    x = 734,870,539,931.22/997,630.20
  6. Step 6: Final answer
    x = 736,616.17

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1.5x scale

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.