Home / 876,556.70-1,314,966.45-371,116.70

Finding the Fourth Proportional to 876,556.70, 1,314,966.45 and 371,116.70

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Solution

The fourth proportional to 876,556.70, 1,314,966.45 and 371,116.70 is: 556,730.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,556.70 : 1,314,966.45 = 371,116.70 : x
  2. Step 2: Convert to fraction form
    876,556.70/1,314,966.45 = 371,116.70/x
  3. Step 3: Cross multiply
    876,556.70x = 1,314,966.45 × 371,116.70
  4. Step 4: Simplify right side
    876,556.70x = 488,006,009,534.72
  5. Step 5: Solve for x
    x = 488,006,009,534.72/876,556.70
  6. Step 6: Final answer
    x = 556,730.68

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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.