Home / 761,015.16-1,050,198.30-438,723.72

Finding the Fourth Proportional to 761,015.16, 1,050,198.30 and 438,723.72

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Solution

The fourth proportional to 761,015.16, 1,050,198.30 and 438,723.72 is: 605,437.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,015.16 : 1,050,198.30 = 438,723.72 : x
  2. Step 2: Convert to fraction form
    761,015.16/1,050,198.30 = 438,723.72/x
  3. Step 3: Cross multiply
    761,015.16x = 1,050,198.30 × 438,723.72
  4. Step 4: Simplify right side
    761,015.16x = 460,746,904,913.68
  5. Step 5: Solve for x
    x = 460,746,904,913.68/761,015.16
  6. Step 6: Final answer
    x = 605,437.22

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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.