Home / 871,565.96-1,307,424.34-240,479.70

Finding the Fourth Proportional to 871,565.96, 1,307,424.34 and 240,479.70

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Solution

The fourth proportional to 871,565.96, 1,307,424.34 and 240,479.70 is: 360,740.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,565.96 : 1,307,424.34 = 240,479.70 : x
  2. Step 2: Convert to fraction form
    871,565.96/1,307,424.34 = 240,479.70/x
  3. Step 3: Cross multiply
    871,565.96x = 1,307,424.34 × 240,479.70
  4. Step 4: Simplify right side
    871,565.96x = 314,409,013,055.90
  5. Step 5: Solve for x
    x = 314,409,013,055.90/871,565.96
  6. Step 6: Final answer
    x = 360,740.35

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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.