Home / 680,800.02-939,133.89-426,097.14

Finding the Fourth Proportional to 680,800.02, 939,133.89 and 426,097.14

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Solution

The fourth proportional to 680,800.02, 939,133.89 and 426,097.14 is: 587,782.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,800.02 : 939,133.89 = 426,097.14 : x
  2. Step 2: Convert to fraction form
    680,800.02/939,133.89 = 426,097.14/x
  3. Step 3: Cross multiply
    680,800.02x = 939,133.89 × 426,097.14
  4. Step 4: Simplify right side
    680,800.02x = 400,162,264,606.08
  5. Step 5: Solve for x
    x = 400,162,264,606.08/680,800.02
  6. Step 6: Final answer
    x = 587,782.39

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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.