Home / 674,461.47-930,729.06-368,548.35

Finding the Fourth Proportional to 674,461.47, 930,729.06 and 368,548.35

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Solution

The fourth proportional to 674,461.47, 930,729.06 and 368,548.35 is: 508,581.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,461.47 : 930,729.06 = 368,548.35 : x
  2. Step 2: Convert to fraction form
    674,461.47/930,729.06 = 368,548.35/x
  3. Step 3: Cross multiply
    674,461.47x = 930,729.06 × 368,548.35
  4. Step 4: Simplify right side
    674,461.47x = 343,018,659,360.05
  5. Step 5: Solve for x
    x = 343,018,659,360.05/674,461.47
  6. Step 6: Final answer
    x = 508,581.55

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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.