Home / 875,512.40-1,313,307.95-268,256.23

Finding the Fourth Proportional to 875,512.40, 1,313,307.95 and 268,256.23

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Solution

The fourth proportional to 875,512.40, 1,313,307.95 and 268,256.23 is: 402,396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,512.40 : 1,313,307.95 = 268,256.23 : x
  2. Step 2: Convert to fraction form
    875,512.40/1,313,307.95 = 268,256.23/x
  3. Step 3: Cross multiply
    875,512.40x = 1,313,307.95 × 268,256.23
  4. Step 4: Simplify right side
    875,512.40x = 352,303,039,496.03
  5. Step 5: Solve for x
    x = 352,303,039,496.03/875,512.40
  6. Step 6: Final answer
    x = 402,396.40

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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.