Home / 990,045.32-1,366,263.86-537,336.32

Finding the Fourth Proportional to 990,045.32, 1,366,263.86 and 537,336.32

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Solution

The fourth proportional to 990,045.32, 1,366,263.86 and 537,336.32 is: 741,524.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,045.32 : 1,366,263.86 = 537,336.32 : x
  2. Step 2: Convert to fraction form
    990,045.32/1,366,263.86 = 537,336.32/x
  3. Step 3: Cross multiply
    990,045.32x = 1,366,263.86 × 537,336.32
  4. Step 4: Simplify right side
    990,045.32x = 734,143,194,681.40
  5. Step 5: Solve for x
    x = 734,143,194,681.40/990,045.32
  6. Step 6: Final answer
    x = 741,524.84

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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.