Home / 925,063.02-1,387,572.90-426,427.02

Finding the Fourth Proportional to 925,063.02, 1,387,572.90 and 426,427.02

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Solution

The fourth proportional to 925,063.02, 1,387,572.90 and 426,427.02 is: 639,630.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,063.02 : 1,387,572.90 = 426,427.02 : x
  2. Step 2: Convert to fraction form
    925,063.02/1,387,572.90 = 426,427.02/x
  3. Step 3: Cross multiply
    925,063.02x = 1,387,572.90 × 426,427.02
  4. Step 4: Simplify right side
    925,063.02x = 591,698,576,779.76
  5. Step 5: Solve for x
    x = 591,698,576,779.76/925,063.02
  6. Step 6: Final answer
    x = 639,630.56

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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.