Home / 887,445.40-1,330,260.90-437,474.20

Finding the Fourth Proportional to 887,445.40, 1,330,260.90 and 437,474.20

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Solution

The fourth proportional to 887,445.40, 1,330,260.90 and 437,474.20 is: 655,764.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,445.40 : 1,330,260.90 = 437,474.20 : x
  2. Step 2: Convert to fraction form
    887,445.40/1,330,260.90 = 437,474.20/x
  3. Step 3: Cross multiply
    887,445.40x = 1,330,260.90 × 437,474.20
  4. Step 4: Simplify right side
    887,445.40x = 581,954,823,018.78
  5. Step 5: Solve for x
    x = 581,954,823,018.78/887,445.40
  6. Step 6: Final answer
    x = 655,764.09

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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.