Home / 943,102.06-1,301,480.99-513,385.40

Finding the Fourth Proportional to 943,102.06, 1,301,480.99 and 513,385.40

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Solution

The fourth proportional to 943,102.06, 1,301,480.99 and 513,385.40 is: 708,471.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,102.06 : 1,301,480.99 = 513,385.40 : x
  2. Step 2: Convert to fraction form
    943,102.06/1,301,480.99 = 513,385.40/x
  3. Step 3: Cross multiply
    943,102.06x = 1,301,480.99 × 513,385.40
  4. Step 4: Simplify right side
    943,102.06x = 668,161,338,643.55
  5. Step 5: Solve for x
    x = 668,161,338,643.55/943,102.06
  6. Step 6: Final answer
    x = 708,471.93

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.