Home / 690,506.20-1,034,009.70-550,538.20

Finding the Fourth Proportional to 690,506.20, 1,034,009.70 and 550,538.20

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Solution

The fourth proportional to 690,506.20, 1,034,009.70 and 550,538.20 is: 824,412.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,506.20 : 1,034,009.70 = 550,538.20 : x
  2. Step 2: Convert to fraction form
    690,506.20/1,034,009.70 = 550,538.20/x
  3. Step 3: Cross multiply
    690,506.20x = 1,034,009.70 × 550,538.20
  4. Step 4: Simplify right side
    690,506.20x = 569,261,839,020.54
  5. Step 5: Solve for x
    x = 569,261,839,020.54/690,506.20
  6. Step 6: Final answer
    x = 824,412.35

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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.