Home / 674,681.19-931,074.98-368,777.76

Finding the Fourth Proportional to 674,681.19, 931,074.98 and 368,777.76

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Solution

The fourth proportional to 674,681.19, 931,074.98 and 368,777.76 is: 508,921.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,681.19 : 931,074.98 = 368,777.76 : x
  2. Step 2: Convert to fraction form
    674,681.19/931,074.98 = 368,777.76/x
  3. Step 3: Cross multiply
    674,681.19x = 931,074.98 × 368,777.76
  4. Step 4: Simplify right side
    674,681.19x = 343,359,743,672.56
  5. Step 5: Solve for x
    x = 343,359,743,672.56/674,681.19
  6. Step 6: Final answer
    x = 508,921.47

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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.