Home / 862,009.92-1,189,600.80-474,853.44

Finding the Fourth Proportional to 862,009.92, 1,189,600.80 and 474,853.44

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Solution

The fourth proportional to 862,009.92, 1,189,600.80 and 474,853.44 is: 655,312.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,009.92 : 1,189,600.80 = 474,853.44 : x
  2. Step 2: Convert to fraction form
    862,009.92/1,189,600.80 = 474,853.44/x
  3. Step 3: Cross multiply
    862,009.92x = 1,189,600.80 × 474,853.44
  4. Step 4: Simplify right side
    862,009.92x = 564,886,032,106.75
  5. Step 5: Solve for x
    x = 564,886,032,106.75/862,009.92
  6. Step 6: Final answer
    x = 655,312.68

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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.