Home / 761,016.16-1,050,199.68-438,724.72

Finding the Fourth Proportional to 761,016.16, 1,050,199.68 and 438,724.72

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Solution

The fourth proportional to 761,016.16, 1,050,199.68 and 438,724.72 is: 605,438.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,016.16 : 1,050,199.68 = 438,724.72 : x
  2. Step 2: Convert to fraction form
    761,016.16/1,050,199.68 = 438,724.72/x
  3. Step 3: Cross multiply
    761,016.16x = 1,050,199.68 × 438,724.72
  4. Step 4: Simplify right side
    761,016.16x = 460,748,560,552.09
  5. Step 5: Solve for x
    x = 460,748,560,552.09/761,016.16
  6. Step 6: Final answer
    x = 605,438.60

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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.