Home / 871,296.40-1,306,345.20-444,005.20

Finding the Fourth Proportional to 871,296.40, 1,306,345.20 and 444,005.20

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Solution

The fourth proportional to 871,296.40, 1,306,345.20 and 444,005.20 is: 665,702.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,296.40 : 1,306,345.20 = 444,005.20 : x
  2. Step 2: Convert to fraction form
    871,296.40/1,306,345.20 = 444,005.20/x
  3. Step 3: Cross multiply
    871,296.40x = 1,306,345.20 × 444,005.20
  4. Step 4: Simplify right side
    871,296.40x = 580,024,061,795.04
  5. Step 5: Solve for x
    x = 580,024,061,795.04/871,296.40
  6. Step 6: Final answer
    x = 665,702.35

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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.