Home / 709,267.20-1,061,308.80-522,643.20

Finding the Fourth Proportional to 709,267.20, 1,061,308.80 and 522,643.20

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Solution

The fourth proportional to 709,267.20, 1,061,308.80 and 522,643.20 is: 782,054.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,267.20 : 1,061,308.80 = 522,643.20 : x
  2. Step 2: Convert to fraction form
    709,267.20/1,061,308.80 = 522,643.20/x
  3. Step 3: Cross multiply
    709,267.20x = 1,061,308.80 × 522,643.20
  4. Step 4: Simplify right side
    709,267.20x = 554,685,827,420.16
  5. Step 5: Solve for x
    x = 554,685,827,420.16/709,267.20
  6. Step 6: Final answer
    x = 782,054.81

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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.