Home / 564,748.40-779,574.84-338,350.16

Finding the Fourth Proportional to 564,748.40, 779,574.84 and 338,350.16

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Solution

The fourth proportional to 564,748.40, 779,574.84 and 338,350.16 is: 467,056.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,748.40 : 779,574.84 = 338,350.16 : x
  2. Step 2: Convert to fraction form
    564,748.40/779,574.84 = 338,350.16/x
  3. Step 3: Cross multiply
    564,748.40x = 779,574.84 × 338,350.16
  4. Step 4: Simplify right side
    564,748.40x = 263,769,271,845.97
  5. Step 5: Solve for x
    x = 263,769,271,845.97/564,748.40
  6. Step 6: Final answer
    x = 467,056.25

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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.