Home / 682,810.02-942,721.68-611,066.70

Finding the Fourth Proportional to 682,810.02, 942,721.68 and 611,066.70

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Solution

The fourth proportional to 682,810.02, 942,721.68 and 611,066.70 is: 843,669.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,810.02 : 942,721.68 = 611,066.70 : x
  2. Step 2: Convert to fraction form
    682,810.02/942,721.68 = 611,066.70/x
  3. Step 3: Cross multiply
    682,810.02x = 942,721.68 × 611,066.70
  4. Step 4: Simplify right side
    682,810.02x = 576,065,826,016.06
  5. Step 5: Solve for x
    x = 576,065,826,016.06/682,810.02
  6. Step 6: Final answer
    x = 843,669.26

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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.