Home / 914,101.83-1,370,312.91-314,920.53

Finding the Fourth Proportional to 914,101.83, 1,370,312.91 and 314,920.53

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Solution

The fourth proportional to 914,101.83, 1,370,312.91 and 314,920.53 is: 472,091.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,101.83 : 1,370,312.91 = 314,920.53 : x
  2. Step 2: Convert to fraction form
    914,101.83/1,370,312.91 = 314,920.53/x
  3. Step 3: Cross multiply
    914,101.83x = 1,370,312.91 × 314,920.53
  4. Step 4: Simplify right side
    914,101.83x = 431,539,667,883.04
  5. Step 5: Solve for x
    x = 431,539,667,883.04/914,101.83
  6. Step 6: Final answer
    x = 472,091.46

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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.