Home / 990,088.32-1,366,323.12-537,379.44

Finding the Fourth Proportional to 990,088.32, 1,366,323.12 and 537,379.44

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Solution

The fourth proportional to 990,088.32, 1,366,323.12 and 537,379.44 is: 741,584.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,088.32 : 1,366,323.12 = 537,379.44 : x
  2. Step 2: Convert to fraction form
    990,088.32/1,366,323.12 = 537,379.44/x
  3. Step 3: Cross multiply
    990,088.32x = 1,366,323.12 × 537,379.44
  4. Step 4: Simplify right side
    990,088.32x = 734,233,953,084.65
  5. Step 5: Solve for x
    x = 734,233,953,084.65/990,088.32
  6. Step 6: Final answer
    x = 741,584.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.