Home / 918,641.32-1,267,767.24-510,785.02

Finding the Fourth Proportional to 918,641.32, 1,267,767.24 and 510,785.02

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Solution

The fourth proportional to 918,641.32, 1,267,767.24 and 510,785.02 is: 704,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,641.32 : 1,267,767.24 = 510,785.02 : x
  2. Step 2: Convert to fraction form
    918,641.32/1,267,767.24 = 510,785.02/x
  3. Step 3: Cross multiply
    918,641.32x = 1,267,767.24 × 510,785.02
  4. Step 4: Simplify right side
    918,641.32x = 647,556,515,038.75
  5. Step 5: Solve for x
    x = 647,556,515,038.75/918,641.32
  6. Step 6: Final answer
    x = 704,906.80

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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.