Home / 678,458.04-1,017,804.32-229,182.16

Finding the Fourth Proportional to 678,458.04, 1,017,804.32 and 229,182.16

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Solution

The fourth proportional to 678,458.04, 1,017,804.32 and 229,182.16 is: 343,812.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,458.04 : 1,017,804.32 = 229,182.16 : x
  2. Step 2: Convert to fraction form
    678,458.04/1,017,804.32 = 229,182.16/x
  3. Step 3: Cross multiply
    678,458.04x = 1,017,804.32 × 229,182.16
  4. Step 4: Simplify right side
    678,458.04x = 233,262,592,514.93
  5. Step 5: Solve for x
    x = 233,262,592,514.93/678,458.04
  6. Step 6: Final answer
    x = 343,812.85

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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.