Home / 918,005.40-1,266,822.18-510,096.69

Finding the Fourth Proportional to 918,005.40, 1,266,822.18 and 510,096.69

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Solution

The fourth proportional to 918,005.40, 1,266,822.18 and 510,096.69 is: 703,919.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,005.40 : 1,266,822.18 = 510,096.69 : x
  2. Step 2: Convert to fraction form
    918,005.40/1,266,822.18 = 510,096.69/x
  3. Step 3: Cross multiply
    918,005.40x = 1,266,822.18 × 510,096.69
  4. Step 4: Simplify right side
    918,005.40x = 646,201,800,836.58
  5. Step 5: Solve for x
    x = 646,201,800,836.58/918,005.40
  6. Step 6: Final answer
    x = 703,919.39

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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.