Home / 995,436.80-1,493,500.80-434,643.20

Finding the Fourth Proportional to 995,436.80, 1,493,500.80 and 434,643.20

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Solution

The fourth proportional to 995,436.80, 1,493,500.80 and 434,643.20 is: 652,115.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,436.80 : 1,493,500.80 = 434,643.20 : x
  2. Step 2: Convert to fraction form
    995,436.80/1,493,500.80 = 434,643.20/x
  3. Step 3: Cross multiply
    995,436.80x = 1,493,500.80 × 434,643.20
  4. Step 4: Simplify right side
    995,436.80x = 649,139,966,914.56
  5. Step 5: Solve for x
    x = 649,139,966,914.56/995,436.80
  6. Step 6: Final answer
    x = 652,115.70

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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.