Home / 651,024.80-976,537.20-646,877.60

Finding the Fourth Proportional to 651,024.80, 976,537.20 and 646,877.60

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Solution

The fourth proportional to 651,024.80, 976,537.20 and 646,877.60 is: 970,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,024.80 : 976,537.20 = 646,877.60 : x
  2. Step 2: Convert to fraction form
    651,024.80/976,537.20 = 646,877.60/x
  3. Step 3: Cross multiply
    651,024.80x = 976,537.20 × 646,877.60
  4. Step 4: Simplify right side
    651,024.80x = 631,700,040,246.72
  5. Step 5: Solve for x
    x = 631,700,040,246.72/651,024.80
  6. Step 6: Final answer
    x = 970,316.40

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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.