Home / 745,206.87-1,114,376.70-553,443.42

Finding the Fourth Proportional to 745,206.87, 1,114,376.70 and 553,443.42

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Solution

The fourth proportional to 745,206.87, 1,114,376.70 and 553,443.42 is: 827,615.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,206.87 : 1,114,376.70 = 553,443.42 : x
  2. Step 2: Convert to fraction form
    745,206.87/1,114,376.70 = 553,443.42/x
  3. Step 3: Cross multiply
    745,206.87x = 1,114,376.70 × 553,443.42
  4. Step 4: Simplify right side
    745,206.87x = 616,744,452,016.31
  5. Step 5: Solve for x
    x = 616,744,452,016.31/745,206.87
  6. Step 6: Final answer
    x = 827,615.09

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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.