Home / 914,069.66-1,370,264.81-314,888.36

Finding the Fourth Proportional to 914,069.66, 1,370,264.81 and 314,888.36

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Solution

The fourth proportional to 914,069.66, 1,370,264.81 and 314,888.36 is: 472,043.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,069.66 : 1,370,264.81 = 314,888.36 : x
  2. Step 2: Convert to fraction form
    914,069.66/1,370,264.81 = 314,888.36/x
  3. Step 3: Cross multiply
    914,069.66x = 1,370,264.81 × 314,888.36
  4. Step 4: Simplify right side
    914,069.66x = 431,480,430,360.85
  5. Step 5: Solve for x
    x = 431,480,430,360.85/914,069.66
  6. Step 6: Final answer
    x = 472,043.27

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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.