Home / 971,589.32-1,340,729.46-535,980.68

Finding the Fourth Proportional to 971,589.32, 1,340,729.46 and 535,980.68

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Solution

The fourth proportional to 971,589.32, 1,340,729.46 and 535,980.68 is: 739,618.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,589.32 : 1,340,729.46 = 535,980.68 : x
  2. Step 2: Convert to fraction form
    971,589.32/1,340,729.46 = 535,980.68/x
  3. Step 3: Cross multiply
    971,589.32x = 1,340,729.46 × 535,980.68
  4. Step 4: Simplify right side
    971,589.32x = 718,605,087,666.83
  5. Step 5: Solve for x
    x = 718,605,087,666.83/971,589.32
  6. Step 6: Final answer
    x = 739,618.14

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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.