Home / 918,608.54-1,267,568.96-510,658.11

Finding the Fourth Proportional to 918,608.54, 1,267,568.96 and 510,658.11

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Solution

The fourth proportional to 918,608.54, 1,267,568.96 and 510,658.11 is: 704,646.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,608.54 : 1,267,568.96 = 510,658.11 : x
  2. Step 2: Convert to fraction form
    918,608.54/1,267,568.96 = 510,658.11/x
  3. Step 3: Cross multiply
    918,608.54x = 1,267,568.96 × 510,658.11
  4. Step 4: Simplify right side
    918,608.54x = 647,294,366,854.98
  5. Step 5: Solve for x
    x = 647,294,366,854.98/918,608.54
  6. Step 6: Final answer
    x = 704,646.58

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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.