Home / 840,056.44-1,159,235.80-477,432.40

Finding the Fourth Proportional to 840,056.44, 1,159,235.80 and 477,432.40

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Solution

The fourth proportional to 840,056.44, 1,159,235.80 and 477,432.40 is: 658,832.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,056.44 : 1,159,235.80 = 477,432.40 : x
  2. Step 2: Convert to fraction form
    840,056.44/1,159,235.80 = 477,432.40/x
  3. Step 3: Cross multiply
    840,056.44x = 1,159,235.80 × 477,432.40
  4. Step 4: Simplify right side
    840,056.44x = 553,456,730,159.92
  5. Step 5: Solve for x
    x = 553,456,730,159.92/840,056.44
  6. Step 6: Final answer
    x = 658,832.79

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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.