Home / 687,364.02-948,568.26-381,461.04

Finding the Fourth Proportional to 687,364.02, 948,568.26 and 381,461.04

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Solution

The fourth proportional to 687,364.02, 948,568.26 and 381,461.04 is: 526,419.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,364.02 : 948,568.26 = 381,461.04 : x
  2. Step 2: Convert to fraction form
    687,364.02/948,568.26 = 381,461.04/x
  3. Step 3: Cross multiply
    687,364.02x = 948,568.26 × 381,461.04
  4. Step 4: Simplify right side
    687,364.02x = 361,841,834,970.59
  5. Step 5: Solve for x
    x = 361,841,834,970.59/687,364.02
  6. Step 6: Final answer
    x = 526,419.52

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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.