Home / 734,780.93-1,013,941.71-412,428.75

Finding the Fourth Proportional to 734,780.93, 1,013,941.71 and 412,428.75

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Solution

The fourth proportional to 734,780.93, 1,013,941.71 and 412,428.75 is: 569,120.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,780.93 : 1,013,941.71 = 412,428.75 : x
  2. Step 2: Convert to fraction form
    734,780.93/1,013,941.71 = 412,428.75/x
  3. Step 3: Cross multiply
    734,780.93x = 1,013,941.71 × 412,428.75
  4. Step 4: Simplify right side
    734,780.93x = 418,178,712,382.70
  5. Step 5: Solve for x
    x = 418,178,712,382.70/734,780.93
  6. Step 6: Final answer
    x = 569,120.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.