Home / 782,848.05-1,080,312.02-460,578.90

Finding the Fourth Proportional to 782,848.05, 1,080,312.02 and 460,578.90

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Solution

The fourth proportional to 782,848.05, 1,080,312.02 and 460,578.90 is: 635,588.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,848.05 : 1,080,312.02 = 460,578.90 : x
  2. Step 2: Convert to fraction form
    782,848.05/1,080,312.02 = 460,578.90/x
  3. Step 3: Cross multiply
    782,848.05x = 1,080,312.02 × 460,578.90
  4. Step 4: Simplify right side
    782,848.05x = 497,568,919,525.48
  5. Step 5: Solve for x
    x = 497,568,919,525.48/782,848.05
  6. Step 6: Final answer
    x = 635,588.12

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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.