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Finding the Fourth Proportional to 556,333.60, 767,683.92 and 341,482.72

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Solution

The fourth proportional to 556,333.60, 767,683.92 and 341,482.72 is: 471,211.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,333.60 : 767,683.92 = 341,482.72 : x
  2. Step 2: Convert to fraction form
    556,333.60/767,683.92 = 341,482.72/x
  3. Step 3: Cross multiply
    556,333.60x = 767,683.92 × 341,482.72
  4. Step 4: Simplify right side
    556,333.60x = 262,150,793,101.86
  5. Step 5: Solve for x
    x = 262,150,793,101.86/556,333.60
  6. Step 6: Final answer
    x = 471,211.51

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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.