Home / 706,693.20-1,057,447.80-520,069.20

Finding the Fourth Proportional to 706,693.20, 1,057,447.80 and 520,069.20

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Solution

The fourth proportional to 706,693.20, 1,057,447.80 and 520,069.20 is: 778,196.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,693.20 : 1,057,447.80 = 520,069.20 : x
  2. Step 2: Convert to fraction form
    706,693.20/1,057,447.80 = 520,069.20/x
  3. Step 3: Cross multiply
    706,693.20x = 1,057,447.80 × 520,069.20
  4. Step 4: Simplify right side
    706,693.20x = 549,946,031,387.76
  5. Step 5: Solve for x
    x = 549,946,031,387.76/706,693.20
  6. Step 6: Final answer
    x = 778,196.30

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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.