Home / 918,643.82-1,267,700.76-510,754.68

Finding the Fourth Proportional to 918,643.82, 1,267,700.76 and 510,754.68

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Solution

The fourth proportional to 918,643.82, 1,267,700.76 and 510,754.68 is: 704,826.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,643.82 : 1,267,700.76 = 510,754.68 : x
  2. Step 2: Convert to fraction form
    918,643.82/1,267,700.76 = 510,754.68/x
  3. Step 3: Cross multiply
    918,643.82x = 1,267,700.76 × 510,754.68
  4. Step 4: Simplify right side
    918,643.82x = 647,484,096,009.56
  5. Step 5: Solve for x
    x = 647,484,096,009.56/918,643.82
  6. Step 6: Final answer
    x = 704,826.05

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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.