Home / 717,159.60-1,075,739.40-685,666.80

Finding the Fourth Proportional to 717,159.60, 1,075,739.40 and 685,666.80

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Solution

The fourth proportional to 717,159.60, 1,075,739.40 and 685,666.80 is: 1,028,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,159.60 : 1,075,739.40 = 685,666.80 : x
  2. Step 2: Convert to fraction form
    717,159.60/1,075,739.40 = 685,666.80/x
  3. Step 3: Cross multiply
    717,159.60x = 1,075,739.40 × 685,666.80
  4. Step 4: Simplify right side
    717,159.60x = 737,598,792,031.92
  5. Step 5: Solve for x
    x = 737,598,792,031.92/717,159.60
  6. Step 6: Final answer
    x = 1,028,500.20

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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.