Home / 816,543.15-1,225,063.85-417,464.18

Finding the Fourth Proportional to 816,543.15, 1,225,063.85 and 417,464.18

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Solution

The fourth proportional to 816,543.15, 1,225,063.85 and 417,464.18 is: 626,323.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,543.15 : 1,225,063.85 = 417,464.18 : x
  2. Step 2: Convert to fraction form
    816,543.15/1,225,063.85 = 417,464.18/x
  3. Step 3: Cross multiply
    816,543.15x = 1,225,063.85 × 417,464.18
  4. Step 4: Simplify right side
    816,543.15x = 511,420,271,969.24
  5. Step 5: Solve for x
    x = 511,420,271,969.24/816,543.15
  6. Step 6: Final answer
    x = 626,323.64

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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.