Home / 853,488.04-1,280,576.32-379,849.46

Finding the Fourth Proportional to 853,488.04, 1,280,576.32 and 379,849.46

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Solution

The fourth proportional to 853,488.04, 1,280,576.32 and 379,849.46 is: 569,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,488.04 : 1,280,576.32 = 379,849.46 : x
  2. Step 2: Convert to fraction form
    853,488.04/1,280,576.32 = 379,849.46/x
  3. Step 3: Cross multiply
    853,488.04x = 1,280,576.32 × 379,849.46
  4. Step 4: Simplify right side
    853,488.04x = 486,426,223,640.79
  5. Step 5: Solve for x
    x = 486,426,223,640.79/853,488.04
  6. Step 6: Final answer
    x = 569,927.40

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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.