Home / 578,869.40-798,585.14-349,298.73

Finding the Fourth Proportional to 578,869.40, 798,585.14 and 349,298.73

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Solution

The fourth proportional to 578,869.40, 798,585.14 and 349,298.73 is: 481,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,869.40 : 798,585.14 = 349,298.73 : x
  2. Step 2: Convert to fraction form
    578,869.40/798,585.14 = 349,298.73/x
  3. Step 3: Cross multiply
    578,869.40x = 798,585.14 × 349,298.73
  4. Step 4: Simplify right side
    578,869.40x = 278,944,776,072.12
  5. Step 5: Solve for x
    x = 278,944,776,072.12/578,869.40
  6. Step 6: Final answer
    x = 481,878.60

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Double scale
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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.