Home / 859,925.18-1,290,042.89-354,210.08

Finding the Fourth Proportional to 859,925.18, 1,290,042.89 and 354,210.08

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Solution

The fourth proportional to 859,925.18, 1,290,042.89 and 354,210.08 is: 531,379.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,925.18 : 1,290,042.89 = 354,210.08 : x
  2. Step 2: Convert to fraction form
    859,925.18/1,290,042.89 = 354,210.08/x
  3. Step 3: Cross multiply
    859,925.18x = 1,290,042.89 × 354,210.08
  4. Step 4: Simplify right side
    859,925.18x = 456,946,193,499.28
  5. Step 5: Solve for x
    x = 456,946,193,499.28/859,925.18
  6. Step 6: Final answer
    x = 531,379.02

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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.