Home / 717,775.60-1,077,829.80-519,487.60

Finding the Fourth Proportional to 717,775.60, 1,077,829.80 and 519,487.60

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Solution

The fourth proportional to 717,775.60, 1,077,829.80 and 519,487.60 is: 780,075.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,775.60 : 1,077,829.80 = 519,487.60 : x
  2. Step 2: Convert to fraction form
    717,775.60/1,077,829.80 = 519,487.60/x
  3. Step 3: Cross multiply
    717,775.60x = 1,077,829.80 × 519,487.60
  4. Step 4: Simplify right side
    717,775.60x = 559,919,216,010.48
  5. Step 5: Solve for x
    x = 559,919,216,010.48/717,775.60
  6. Step 6: Final answer
    x = 780,075.58

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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.