Home / 840,225.34-1,159,610.62-477,703.90

Finding the Fourth Proportional to 840,225.34, 1,159,610.62 and 477,703.90

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Solution

The fourth proportional to 840,225.34, 1,159,610.62 and 477,703.90 is: 659,288.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,225.34 : 1,159,610.62 = 477,703.90 : x
  2. Step 2: Convert to fraction form
    840,225.34/1,159,610.62 = 477,703.90/x
  3. Step 3: Cross multiply
    840,225.34x = 1,159,610.62 × 477,703.90
  4. Step 4: Simplify right side
    840,225.34x = 553,950,515,655.42
  5. Step 5: Solve for x
    x = 553,950,515,655.42/840,225.34
  6. Step 6: Final answer
    x = 659,288.04

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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.