Home / 564,001.14-778,317.33-309,350.52

Finding the Fourth Proportional to 564,001.14, 778,317.33 and 309,350.52

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Solution

The fourth proportional to 564,001.14, 778,317.33 and 309,350.52 is: 426,901.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,001.14 : 778,317.33 = 309,350.52 : x
  2. Step 2: Convert to fraction form
    564,001.14/778,317.33 = 309,350.52/x
  3. Step 3: Cross multiply
    564,001.14x = 778,317.33 × 309,350.52
  4. Step 4: Simplify right side
    564,001.14x = 240,772,870,760.51
  5. Step 5: Solve for x
    x = 240,772,870,760.51/564,001.14
  6. Step 6: Final answer
    x = 426,901.39

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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.