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Finding the Fourth Proportional to 472,810.30, 709,215.45 and 367,056.70

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Solution

The fourth proportional to 472,810.30, 709,215.45 and 367,056.70 is: 550,585.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,810.30 : 709,215.45 = 367,056.70 : x
  2. Step 2: Convert to fraction form
    472,810.30/709,215.45 = 367,056.70/x
  3. Step 3: Cross multiply
    472,810.30x = 709,215.45 × 367,056.70
  4. Step 4: Simplify right side
    472,810.30x = 260,322,282,666.02
  5. Step 5: Solve for x
    x = 260,322,282,666.02/472,810.30
  6. Step 6: Final answer
    x = 550,585.05

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Similar ratio
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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.