Home / 871,530.15-1,307,370.55-240,443.97

Finding the Fourth Proportional to 871,530.15, 1,307,370.55 and 240,443.97

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Solution

The fourth proportional to 871,530.15, 1,307,370.55 and 240,443.97 is: 360,686.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,530.15 : 1,307,370.55 = 240,443.97 : x
  2. Step 2: Convert to fraction form
    871,530.15/1,307,370.55 = 240,443.97/x
  3. Step 3: Cross multiply
    871,530.15x = 1,307,370.55 × 240,443.97
  4. Step 4: Simplify right side
    871,530.15x = 314,349,365,303.08
  5. Step 5: Solve for x
    x = 314,349,365,303.08/871,530.15
  6. Step 6: Final answer
    x = 360,686.74

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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.