Home / 984,643.20-1,358,836.08-554,899.68

Finding the Fourth Proportional to 984,643.20, 1,358,836.08 and 554,899.68

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Solution

The fourth proportional to 984,643.20, 1,358,836.08 and 554,899.68 is: 765,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,643.20 : 1,358,836.08 = 554,899.68 : x
  2. Step 2: Convert to fraction form
    984,643.20/1,358,836.08 = 554,899.68/x
  3. Step 3: Cross multiply
    984,643.20x = 1,358,836.08 × 554,899.68
  4. Step 4: Simplify right side
    984,643.20x = 754,017,705,964.46
  5. Step 5: Solve for x
    x = 754,017,705,964.46/984,643.20
  6. Step 6: Final answer
    x = 765,777.60

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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.