Home / 775,860.30-1,071,360-572,264.10

Finding the Fourth Proportional to 775,860.30, 1,071,360 and 572,264.10

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Solution

The fourth proportional to 775,860.30, 1,071,360 and 572,264.10 is: 790,220.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,860.30 : 1,071,360 = 572,264.10 : x
  2. Step 2: Convert to fraction form
    775,860.30/1,071,360 = 572,264.10/x
  3. Step 3: Cross multiply
    775,860.30x = 1,071,360 × 572,264.10
  4. Step 4: Simplify right side
    775,860.30x = 613,100,866,176
  5. Step 5: Solve for x
    x = 613,100,866,176/775,860.30
  6. Step 6: Final answer
    x = 790,220.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.