Home / 925,064.02-1,387,574.40-426,428.02

Finding the Fourth Proportional to 925,064.02, 1,387,574.40 and 426,428.02

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Solution

The fourth proportional to 925,064.02, 1,387,574.40 and 426,428.02 is: 639,632.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,064.02 : 1,387,574.40 = 426,428.02 : x
  2. Step 2: Convert to fraction form
    925,064.02/1,387,574.40 = 426,428.02/x
  3. Step 3: Cross multiply
    925,064.02x = 1,387,574.40 × 426,428.02
  4. Step 4: Simplify right side
    925,064.02x = 591,700,603,994.69
  5. Step 5: Solve for x
    x = 591,700,603,994.69/925,064.02
  6. Step 6: Final answer
    x = 639,632.06

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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.