Home / 779,871.60-1,169,807.40-513,932.40

Finding the Fourth Proportional to 779,871.60, 1,169,807.40 and 513,932.40

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Solution

The fourth proportional to 779,871.60, 1,169,807.40 and 513,932.40 is: 770,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,871.60 : 1,169,807.40 = 513,932.40 : x
  2. Step 2: Convert to fraction form
    779,871.60/1,169,807.40 = 513,932.40/x
  3. Step 3: Cross multiply
    779,871.60x = 1,169,807.40 × 513,932.40
  4. Step 4: Simplify right side
    779,871.60x = 601,201,924,619.76
  5. Step 5: Solve for x
    x = 601,201,924,619.76/779,871.60
  6. Step 6: Final answer
    x = 770,898.60

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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.