Home / 718,310.40-1,077,314.40-362,990.40

Finding the Fourth Proportional to 718,310.40, 1,077,314.40 and 362,990.40

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Solution

The fourth proportional to 718,310.40, 1,077,314.40 and 362,990.40 is: 544,409.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,310.40 : 1,077,314.40 = 362,990.40 : x
  2. Step 2: Convert to fraction form
    718,310.40/1,077,314.40 = 362,990.40/x
  3. Step 3: Cross multiply
    718,310.40x = 1,077,314.40 × 362,990.40
  4. Step 4: Simplify right side
    718,310.40x = 391,054,784,981.76
  5. Step 5: Solve for x
    x = 391,054,784,981.76/718,310.40
  6. Step 6: Final answer
    x = 544,409.19

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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.