Home / 806,252.80-1,208,342.40-490,374.40

Finding the Fourth Proportional to 806,252.80, 1,208,342.40 and 490,374.40

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Solution

The fourth proportional to 806,252.80, 1,208,342.40 and 490,374.40 is: 734,931.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,252.80 : 1,208,342.40 = 490,374.40 : x
  2. Step 2: Convert to fraction form
    806,252.80/1,208,342.40 = 490,374.40/x
  3. Step 3: Cross multiply
    806,252.80x = 1,208,342.40 × 490,374.40
  4. Step 4: Simplify right side
    806,252.80x = 592,540,179,394.56
  5. Step 5: Solve for x
    x = 592,540,179,394.56/806,252.80
  6. Step 6: Final answer
    x = 734,931.00

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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.