Home / 784,855.56-1,083,307.80-462,780.24

Finding the Fourth Proportional to 784,855.56, 1,083,307.80 and 462,780.24

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Solution

The fourth proportional to 784,855.56, 1,083,307.80 and 462,780.24 is: 638,758.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,855.56 : 1,083,307.80 = 462,780.24 : x
  2. Step 2: Convert to fraction form
    784,855.56/1,083,307.80 = 462,780.24/x
  3. Step 3: Cross multiply
    784,855.56x = 1,083,307.80 × 462,780.24
  4. Step 4: Simplify right side
    784,855.56x = 501,333,443,677.87
  5. Step 5: Solve for x
    x = 501,333,443,677.87/784,855.56
  6. Step 6: Final answer
    x = 638,758.86

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Double scale
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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.