Home / 830,874.40-1,246,311.60-514,304.80

Finding the Fourth Proportional to 830,874.40, 1,246,311.60 and 514,304.80

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Solution

The fourth proportional to 830,874.40, 1,246,311.60 and 514,304.80 is: 771,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,874.40 : 1,246,311.60 = 514,304.80 : x
  2. Step 2: Convert to fraction form
    830,874.40/1,246,311.60 = 514,304.80/x
  3. Step 3: Cross multiply
    830,874.40x = 1,246,311.60 × 514,304.80
  4. Step 4: Simplify right side
    830,874.40x = 640,984,038,175.68
  5. Step 5: Solve for x
    x = 640,984,038,175.68/830,874.40
  6. Step 6: Final answer
    x = 771,457.20

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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.