Home / 979,719.09-1,352,000.48-549,988.17

Finding the Fourth Proportional to 979,719.09, 1,352,000.48 and 549,988.17

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Solution

The fourth proportional to 979,719.09, 1,352,000.48 and 549,988.17 is: 758,977.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,719.09 : 1,352,000.48 = 549,988.17 : x
  2. Step 2: Convert to fraction form
    979,719.09/1,352,000.48 = 549,988.17/x
  3. Step 3: Cross multiply
    979,719.09x = 1,352,000.48 × 549,988.17
  4. Step 4: Simplify right side
    979,719.09x = 743,584,267,084.38
  5. Step 5: Solve for x
    x = 743,584,267,084.38/979,719.09
  6. Step 6: Final answer
    x = 758,977.01

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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.