Home / 761,233.62-1,050,614.31-438,880.74

Finding the Fourth Proportional to 761,233.62, 1,050,614.31 and 438,880.74

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Solution

The fourth proportional to 761,233.62, 1,050,614.31 and 438,880.74 is: 605,719.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,233.62 : 1,050,614.31 = 438,880.74 : x
  2. Step 2: Convert to fraction form
    761,233.62/1,050,614.31 = 438,880.74/x
  3. Step 3: Cross multiply
    761,233.62x = 1,050,614.31 × 438,880.74
  4. Step 4: Simplify right side
    761,233.62x = 461,094,385,827.39
  5. Step 5: Solve for x
    x = 461,094,385,827.39/761,233.62
  6. Step 6: Final answer
    x = 605,719.94

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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.