Home / 661,931.45-913,436.50-367,562.91

Finding the Fourth Proportional to 661,931.45, 913,436.50 and 367,562.91

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Solution

The fourth proportional to 661,931.45, 913,436.50 and 367,562.91 is: 507,220.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,931.45 : 913,436.50 = 367,562.91 : x
  2. Step 2: Convert to fraction form
    661,931.45/913,436.50 = 367,562.91/x
  3. Step 3: Cross multiply
    661,931.45x = 913,436.50 × 367,562.91
  4. Step 4: Simplify right side
    661,931.45x = 335,745,378,040.22
  5. Step 5: Solve for x
    x = 335,745,378,040.22/661,931.45
  6. Step 6: Final answer
    x = 507,220.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.