Home / 706,702.20-1,057,461.30-520,078.20

Finding the Fourth Proportional to 706,702.20, 1,057,461.30 and 520,078.20

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Solution

The fourth proportional to 706,702.20, 1,057,461.30 and 520,078.20 is: 778,209.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,702.20 : 1,057,461.30 = 520,078.20 : x
  2. Step 2: Convert to fraction form
    706,702.20/1,057,461.30 = 520,078.20/x
  3. Step 3: Cross multiply
    706,702.20x = 1,057,461.30 × 520,078.20
  4. Step 4: Simplify right side
    706,702.20x = 549,962,569,473.66
  5. Step 5: Solve for x
    x = 549,962,569,473.66/706,702.20
  6. Step 6: Final answer
    x = 778,209.79

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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.