Home / 986,898.60-1,480,002.30-513,426.60

Finding the Fourth Proportional to 986,898.60, 1,480,002.30 and 513,426.60

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Solution

The fourth proportional to 986,898.60, 1,480,002.30 and 513,426.60 is: 769,960.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,898.60 : 1,480,002.30 = 513,426.60 : x
  2. Step 2: Convert to fraction form
    986,898.60/1,480,002.30 = 513,426.60/x
  3. Step 3: Cross multiply
    986,898.60x = 1,480,002.30 × 513,426.60
  4. Step 4: Simplify right side
    986,898.60x = 759,872,548,881.18
  5. Step 5: Solve for x
    x = 759,872,548,881.18/986,898.60
  6. Step 6: Final answer
    x = 769,960.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.