Home / 977,734.64-1,348,250.52-723,618.80

Finding the Fourth Proportional to 977,734.64, 1,348,250.52 and 723,618.80

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Solution

The fourth proportional to 977,734.64, 1,348,250.52 and 723,618.80 is: 997,836.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,734.64 : 1,348,250.52 = 723,618.80 : x
  2. Step 2: Convert to fraction form
    977,734.64/1,348,250.52 = 723,618.80/x
  3. Step 3: Cross multiply
    977,734.64x = 1,348,250.52 × 723,618.80
  4. Step 4: Simplify right side
    977,734.64x = 975,619,423,381.78
  5. Step 5: Solve for x
    x = 975,619,423,381.78/977,734.64
  6. Step 6: Final answer
    x = 997,836.61

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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.