Home / 808,947.20-1,214,342.40-476,710.40

Finding the Fourth Proportional to 808,947.20, 1,214,342.40 and 476,710.40

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Solution

The fourth proportional to 808,947.20, 1,214,342.40 and 476,710.40 is: 715,608.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,947.20 : 1,214,342.40 = 476,710.40 : x
  2. Step 2: Convert to fraction form
    808,947.20/1,214,342.40 = 476,710.40/x
  3. Step 3: Cross multiply
    808,947.20x = 1,214,342.40 × 476,710.40
  4. Step 4: Simplify right side
    808,947.20x = 578,889,651,240.96
  5. Step 5: Solve for x
    x = 578,889,651,240.96/808,947.20
  6. Step 6: Final answer
    x = 715,608.70

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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.