Home / 918,006.40-1,266,823.56-510,097.69

Finding the Fourth Proportional to 918,006.40, 1,266,823.56 and 510,097.69

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Solution

The fourth proportional to 918,006.40, 1,266,823.56 and 510,097.69 is: 703,920.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,006.40 : 1,266,823.56 = 510,097.69 : x
  2. Step 2: Convert to fraction form
    918,006.40/1,266,823.56 = 510,097.69/x
  3. Step 3: Cross multiply
    918,006.40x = 1,266,823.56 × 510,097.69
  4. Step 4: Simplify right side
    918,006.40x = 646,203,771,593.58
  5. Step 5: Solve for x
    x = 646,203,771,593.58/918,006.40
  6. Step 6: Final answer
    x = 703,920.77

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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.