Home / 946,716.93-1,420,087.95-315,630.95

Finding the Fourth Proportional to 946,716.93, 1,420,087.95 and 315,630.95

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Solution

The fourth proportional to 946,716.93, 1,420,087.95 and 315,630.95 is: 473,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,716.93 : 1,420,087.95 = 315,630.95 : x
  2. Step 2: Convert to fraction form
    946,716.93/1,420,087.95 = 315,630.95/x
  3. Step 3: Cross multiply
    946,716.93x = 1,420,087.95 × 315,630.95
  4. Step 4: Simplify right side
    946,716.93x = 448,223,701,641.61
  5. Step 5: Solve for x
    x = 448,223,701,641.61/946,716.93
  6. Step 6: Final answer
    x = 473,450.60

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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.