Home / 777,922.48-1,073,732.76-506,666.32

Finding the Fourth Proportional to 777,922.48, 1,073,732.76 and 506,666.32

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Solution

The fourth proportional to 777,922.48, 1,073,732.76 and 506,666.32 is: 699,329.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,922.48 : 1,073,732.76 = 506,666.32 : x
  2. Step 2: Convert to fraction form
    777,922.48/1,073,732.76 = 506,666.32/x
  3. Step 3: Cross multiply
    777,922.48x = 1,073,732.76 × 506,666.32
  4. Step 4: Simplify right side
    777,922.48x = 544,024,226,172.64
  5. Step 5: Solve for x
    x = 544,024,226,172.64/777,922.48
  6. Step 6: Final answer
    x = 699,329.61

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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.