Home / 876,564.20-1,314,977.70-371,124.20

Finding the Fourth Proportional to 876,564.20, 1,314,977.70 and 371,124.20

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Solution

The fourth proportional to 876,564.20, 1,314,977.70 and 371,124.20 is: 556,741.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,564.20 : 1,314,977.70 = 371,124.20 : x
  2. Step 2: Convert to fraction form
    876,564.20/1,314,977.70 = 371,124.20/x
  3. Step 3: Cross multiply
    876,564.20x = 1,314,977.70 × 371,124.20
  4. Step 4: Simplify right side
    876,564.20x = 488,020,046,930.34
  5. Step 5: Solve for x
    x = 488,020,046,930.34/876,564.20
  6. Step 6: Final answer
    x = 556,741.93

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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.