Home / 774,305.74-1,066,070.19-660,672.46

Finding the Fourth Proportional to 774,305.74, 1,066,070.19 and 660,672.46

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Solution

The fourth proportional to 774,305.74, 1,066,070.19 and 660,672.46 is: 909,619.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,305.74 : 1,066,070.19 = 660,672.46 : x
  2. Step 2: Convert to fraction form
    774,305.74/1,066,070.19 = 660,672.46/x
  3. Step 3: Cross multiply
    774,305.74x = 1,066,070.19 × 660,672.46
  4. Step 4: Simplify right side
    774,305.74x = 704,323,214,959.97
  5. Step 5: Solve for x
    x = 704,323,214,959.97/774,305.74
  6. Step 6: Final answer
    x = 909,619.00

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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.