Home / 651,989.35-977,900.95-252,356.72

Finding the Fourth Proportional to 651,989.35, 977,900.95 and 252,356.72

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Solution

The fourth proportional to 651,989.35, 977,900.95 and 252,356.72 is: 378,502.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,989.35 : 977,900.95 = 252,356.72 : x
  2. Step 2: Convert to fraction form
    651,989.35/977,900.95 = 252,356.72/x
  3. Step 3: Cross multiply
    651,989.35x = 977,900.95 × 252,356.72
  4. Step 4: Simplify right side
    651,989.35x = 246,779,871,652.83
  5. Step 5: Solve for x
    x = 246,779,871,652.83/651,989.35
  6. Step 6: Final answer
    x = 378,502.92

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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.