Home / 803,434.20-1,205,928.90-488,506.20

Finding the Fourth Proportional to 803,434.20, 1,205,928.90 and 488,506.20

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Solution

The fourth proportional to 803,434.20, 1,205,928.90 and 488,506.20 is: 733,232.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,434.20 : 1,205,928.90 = 488,506.20 : x
  2. Step 2: Convert to fraction form
    803,434.20/1,205,928.90 = 488,506.20/x
  3. Step 3: Cross multiply
    803,434.20x = 1,205,928.90 × 488,506.20
  4. Step 4: Simplify right side
    803,434.20x = 589,103,744,409.18
  5. Step 5: Solve for x
    x = 589,103,744,409.18/803,434.20
  6. Step 6: Final answer
    x = 733,232.10

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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.