Home / 874,911.30-1,312,366.95-210,063.30

Finding the Fourth Proportional to 874,911.30, 1,312,366.95 and 210,063.30

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Solution

The fourth proportional to 874,911.30, 1,312,366.95 and 210,063.30 is: 315,094.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,911.30 : 1,312,366.95 = 210,063.30 : x
  2. Step 2: Convert to fraction form
    874,911.30/1,312,366.95 = 210,063.30/x
  3. Step 3: Cross multiply
    874,911.30x = 1,312,366.95 × 210,063.30
  4. Step 4: Simplify right side
    874,911.30x = 275,680,132,327.94
  5. Step 5: Solve for x
    x = 275,680,132,327.94/874,911.30
  6. Step 6: Final answer
    x = 315,094.95

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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.