Home / 680,799.02-939,132.51-426,096.14

Finding the Fourth Proportional to 680,799.02, 939,132.51 and 426,096.14

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Solution

The fourth proportional to 680,799.02, 939,132.51 and 426,096.14 is: 587,781.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,799.02 : 939,132.51 = 426,096.14 : x
  2. Step 2: Convert to fraction form
    680,799.02/939,132.51 = 426,096.14/x
  3. Step 3: Cross multiply
    680,799.02x = 939,132.51 × 426,096.14
  4. Step 4: Simplify right side
    680,799.02x = 400,160,737,459.51
  5. Step 5: Solve for x
    x = 400,160,737,459.51/680,799.02
  6. Step 6: Final answer
    x = 587,781.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.