Home / 858,677.73-1,288,021.04-503,442.63

Finding the Fourth Proportional to 858,677.73, 1,288,021.04 and 503,442.63

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Solution

The fourth proportional to 858,677.73, 1,288,021.04 and 503,442.63 is: 755,166.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,677.73 : 1,288,021.04 = 503,442.63 : x
  2. Step 2: Convert to fraction form
    858,677.73/1,288,021.04 = 503,442.63/x
  3. Step 3: Cross multiply
    858,677.73x = 1,288,021.04 × 503,442.63
  4. Step 4: Simplify right side
    858,677.73x = 648,444,697,355.72
  5. Step 5: Solve for x
    x = 648,444,697,355.72/858,677.73
  6. Step 6: Final answer
    x = 755,166.55

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.