Home / 510,856.14-705,036.86-281,436.94

Finding the Fourth Proportional to 510,856.14, 705,036.86 and 281,436.94

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Solution

The fourth proportional to 510,856.14, 705,036.86 and 281,436.94 is: 388,413.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,856.14 : 705,036.86 = 281,436.94 : x
  2. Step 2: Convert to fraction form
    510,856.14/705,036.86 = 281,436.94/x
  3. Step 3: Cross multiply
    510,856.14x = 705,036.86 × 281,436.94
  4. Step 4: Simplify right side
    510,856.14x = 198,423,416,465.61
  5. Step 5: Solve for x
    x = 198,423,416,465.61/510,856.14
  6. Step 6: Final answer
    x = 388,413.49

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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.