Home / 674,484.09-931,221.95-432,870.81

Finding the Fourth Proportional to 674,484.09, 931,221.95 and 432,870.81

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Solution

The fourth proportional to 674,484.09, 931,221.95 and 432,870.81 is: 597,640.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,484.09 : 931,221.95 = 432,870.81 : x
  2. Step 2: Convert to fraction form
    674,484.09/931,221.95 = 432,870.81/x
  3. Step 3: Cross multiply
    674,484.09x = 931,221.95 × 432,870.81
  4. Step 4: Simplify right side
    674,484.09x = 403,098,797,621.93
  5. Step 5: Solve for x
    x = 403,098,797,621.93/674,484.09
  6. Step 6: Final answer
    x = 597,640.19

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1.5x scale

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.