Home / 918,205.44-1,267,122.48-510,294.48

Finding the Fourth Proportional to 918,205.44, 1,267,122.48 and 510,294.48

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Solution

The fourth proportional to 918,205.44, 1,267,122.48 and 510,294.48 is: 704,205.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,205.44 : 1,267,122.48 = 510,294.48 : x
  2. Step 2: Convert to fraction form
    918,205.44/1,267,122.48 = 510,294.48/x
  3. Step 3: Cross multiply
    918,205.44x = 1,267,122.48 × 510,294.48
  4. Step 4: Simplify right side
    918,205.44x = 646,605,607,027.91
  5. Step 5: Solve for x
    x = 646,605,607,027.91/918,205.44
  6. Step 6: Final answer
    x = 704,205.81

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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.