Home / 997,287.19-1,495,930.78-249,333.19

Finding the Fourth Proportional to 997,287.19, 1,495,930.78 and 249,333.19

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Solution

The fourth proportional to 997,287.19, 1,495,930.78 and 249,333.19 is: 373,999.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,287.19 : 1,495,930.78 = 249,333.19 : x
  2. Step 2: Convert to fraction form
    997,287.19/1,495,930.78 = 249,333.19/x
  3. Step 3: Cross multiply
    997,287.19x = 1,495,930.78 × 249,333.19
  4. Step 4: Simplify right side
    997,287.19x = 372,985,189,968.43
  5. Step 5: Solve for x
    x = 372,985,189,968.43/997,287.19
  6. Step 6: Final answer
    x = 373,999.78

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Double scale
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Similar ratio
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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.