Home / 803,653.60-1,203,730.80-487,559.20

Finding the Fourth Proportional to 803,653.60, 1,203,730.80 and 487,559.20

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Solution

The fourth proportional to 803,653.60, 1,203,730.80 and 487,559.20 is: 730,277.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,653.60 : 1,203,730.80 = 487,559.20 : x
  2. Step 2: Convert to fraction form
    803,653.60/1,203,730.80 = 487,559.20/x
  3. Step 3: Cross multiply
    803,653.60x = 1,203,730.80 × 487,559.20
  4. Step 4: Simplify right side
    803,653.60x = 586,890,025,863.36
  5. Step 5: Solve for x
    x = 586,890,025,863.36/803,653.60
  6. Step 6: Final answer
    x = 730,277.36

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1.5x scale

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.