Home / 733,547.20-1,100,320.80-312,865.60

Finding the Fourth Proportional to 733,547.20, 1,100,320.80 and 312,865.60

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Solution

The fourth proportional to 733,547.20, 1,100,320.80 and 312,865.60 is: 469,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,547.20 : 1,100,320.80 = 312,865.60 : x
  2. Step 2: Convert to fraction form
    733,547.20/1,100,320.80 = 312,865.60/x
  3. Step 3: Cross multiply
    733,547.20x = 1,100,320.80 × 312,865.60
  4. Step 4: Simplify right side
    733,547.20x = 344,252,527,284.48
  5. Step 5: Solve for x
    x = 344,252,527,284.48/733,547.20
  6. Step 6: Final answer
    x = 469,298.40

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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.