Home / 872,280.61-1,307,885.09-339,180.24

Finding the Fourth Proportional to 872,280.61, 1,307,885.09 and 339,180.24

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Solution

The fourth proportional to 872,280.61, 1,307,885.09 and 339,180.24 is: 508,562.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,280.61 : 1,307,885.09 = 339,180.24 : x
  2. Step 2: Convert to fraction form
    872,280.61/1,307,885.09 = 339,180.24/x
  3. Step 3: Cross multiply
    872,280.61x = 1,307,885.09 × 339,180.24
  4. Step 4: Simplify right side
    872,280.61x = 443,608,778,718.62
  5. Step 5: Solve for x
    x = 443,608,778,718.62/872,280.61
  6. Step 6: Final answer
    x = 508,562.01

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Double scale
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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.