Home / 849,494.48-1,274,438.95-280,841.27

Finding the Fourth Proportional to 849,494.48, 1,274,438.95 and 280,841.27

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Solution

The fourth proportional to 849,494.48, 1,274,438.95 and 280,841.27 is: 421,327.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,494.48 : 1,274,438.95 = 280,841.27 : x
  2. Step 2: Convert to fraction form
    849,494.48/1,274,438.95 = 280,841.27/x
  3. Step 3: Cross multiply
    849,494.48x = 1,274,438.95 × 280,841.27
  4. Step 4: Simplify right side
    849,494.48x = 357,915,046,181.17
  5. Step 5: Solve for x
    x = 357,915,046,181.17/849,494.48
  6. Step 6: Final answer
    x = 421,327.10

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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.