Home / 948,397.14-1,421,141.40-644,404.14

Finding the Fourth Proportional to 948,397.14, 1,421,141.40 and 644,404.14

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Solution

The fourth proportional to 948,397.14, 1,421,141.40 and 644,404.14 is: 965,618.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,397.14 : 1,421,141.40 = 644,404.14 : x
  2. Step 2: Convert to fraction form
    948,397.14/1,421,141.40 = 644,404.14/x
  3. Step 3: Cross multiply
    948,397.14x = 1,421,141.40 × 644,404.14
  4. Step 4: Simplify right side
    948,397.14x = 915,789,401,685.40
  5. Step 5: Solve for x
    x = 915,789,401,685.40/948,397.14
  6. Step 6: Final answer
    x = 965,618.05

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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.