Home / 948,675.88-1,309,172.28-518,955.90

Finding the Fourth Proportional to 948,675.88, 1,309,172.28 and 518,955.90

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Solution

The fourth proportional to 948,675.88, 1,309,172.28 and 518,955.90 is: 716,158.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,675.88 : 1,309,172.28 = 518,955.90 : x
  2. Step 2: Convert to fraction form
    948,675.88/1,309,172.28 = 518,955.90/x
  3. Step 3: Cross multiply
    948,675.88x = 1,309,172.28 × 518,955.90
  4. Step 4: Simplify right side
    948,675.88x = 679,402,671,966.97
  5. Step 5: Solve for x
    x = 679,402,671,966.97/948,675.88
  6. Step 6: Final answer
    x = 716,158.90

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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.