Home / 888,610.78-1,226,348.67-506,647.18

Finding the Fourth Proportional to 888,610.78, 1,226,348.67 and 506,647.18

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Solution

The fourth proportional to 888,610.78, 1,226,348.67 and 506,647.18 is: 699,210.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,610.78 : 1,226,348.67 = 506,647.18 : x
  2. Step 2: Convert to fraction form
    888,610.78/1,226,348.67 = 506,647.18/x
  3. Step 3: Cross multiply
    888,610.78x = 1,226,348.67 × 506,647.18
  4. Step 4: Simplify right side
    888,610.78x = 621,326,095,352.25
  5. Step 5: Solve for x
    x = 621,326,095,352.25/888,610.78
  6. Step 6: Final answer
    x = 699,210.62

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1.5x scale

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.