Home / 693,261.13-1,039,877.85-314,111.20

Finding the Fourth Proportional to 693,261.13, 1,039,877.85 and 314,111.20

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Solution

The fourth proportional to 693,261.13, 1,039,877.85 and 314,111.20 is: 471,160.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,261.13 : 1,039,877.85 = 314,111.20 : x
  2. Step 2: Convert to fraction form
    693,261.13/1,039,877.85 = 314,111.20/x
  3. Step 3: Cross multiply
    693,261.13x = 1,039,877.85 × 314,111.20
  4. Step 4: Simplify right side
    693,261.13x = 326,637,279,316.92
  5. Step 5: Solve for x
    x = 326,637,279,316.92/693,261.13
  6. Step 6: Final answer
    x = 471,160.53

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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.