Home / 779,820.60-1,169,730.90-513,881.40

Finding the Fourth Proportional to 779,820.60, 1,169,730.90 and 513,881.40

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Solution

The fourth proportional to 779,820.60, 1,169,730.90 and 513,881.40 is: 770,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,820.60 : 1,169,730.90 = 513,881.40 : x
  2. Step 2: Convert to fraction form
    779,820.60/1,169,730.90 = 513,881.40/x
  3. Step 3: Cross multiply
    779,820.60x = 1,169,730.90 × 513,881.40
  4. Step 4: Simplify right side
    779,820.60x = 601,102,952,515.26
  5. Step 5: Solve for x
    x = 601,102,952,515.26/779,820.60
  6. Step 6: Final answer
    x = 770,822.10

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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.