Home / 778,799.16-1,075,229.40-597,162.18

Finding the Fourth Proportional to 778,799.16, 1,075,229.40 and 597,162.18

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Solution

The fourth proportional to 778,799.16, 1,075,229.40 and 597,162.18 is: 824,456.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,799.16 : 1,075,229.40 = 597,162.18 : x
  2. Step 2: Convert to fraction form
    778,799.16/1,075,229.40 = 597,162.18/x
  3. Step 3: Cross multiply
    778,799.16x = 1,075,229.40 × 597,162.18
  4. Step 4: Simplify right side
    778,799.16x = 642,086,332,504.09
  5. Step 5: Solve for x
    x = 642,086,332,504.09/778,799.16
  6. Step 6: Final answer
    x = 824,456.89

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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.