Home / 871,680.15-1,307,312.06-366,250.68

Finding the Fourth Proportional to 871,680.15, 1,307,312.06 and 366,250.68

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Solution

The fourth proportional to 871,680.15, 1,307,312.06 and 366,250.68 is: 549,288.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,680.15 : 1,307,312.06 = 366,250.68 : x
  2. Step 2: Convert to fraction form
    871,680.15/1,307,312.06 = 366,250.68/x
  3. Step 3: Cross multiply
    871,680.15x = 1,307,312.06 × 366,250.68
  4. Step 4: Simplify right side
    871,680.15x = 478,803,929,115.95
  5. Step 5: Solve for x
    x = 478,803,929,115.95/871,680.15
  6. Step 6: Final answer
    x = 549,288.55

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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.