Home / 758,166.46-1,137,643.28-309,216.70

Finding the Fourth Proportional to 758,166.46, 1,137,643.28 and 309,216.70

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Solution

The fourth proportional to 758,166.46, 1,137,643.28 and 309,216.70 is: 463,985.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,166.46 : 1,137,643.28 = 309,216.70 : x
  2. Step 2: Convert to fraction form
    758,166.46/1,137,643.28 = 309,216.70/x
  3. Step 3: Cross multiply
    758,166.46x = 1,137,643.28 × 309,216.70
  4. Step 4: Simplify right side
    758,166.46x = 351,778,300,818.78
  5. Step 5: Solve for x
    x = 351,778,300,818.78/758,166.46
  6. Step 6: Final answer
    x = 463,985.57

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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.