Home / 727,564.80-1,091,347.20-475,622.40

Finding the Fourth Proportional to 727,564.80, 1,091,347.20 and 475,622.40

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Solution

The fourth proportional to 727,564.80, 1,091,347.20 and 475,622.40 is: 713,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,564.80 : 1,091,347.20 = 475,622.40 : x
  2. Step 2: Convert to fraction form
    727,564.80/1,091,347.20 = 475,622.40/x
  3. Step 3: Cross multiply
    727,564.80x = 1,091,347.20 × 475,622.40
  4. Step 4: Simplify right side
    727,564.80x = 519,069,174,497.28
  5. Step 5: Solve for x
    x = 519,069,174,497.28/727,564.80
  6. Step 6: Final answer
    x = 713,433.60

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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.