Home / 990,397.52-1,485,026.58-528,205.36

Finding the Fourth Proportional to 990,397.52, 1,485,026.58 and 528,205.36

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Solution

The fourth proportional to 990,397.52, 1,485,026.58 and 528,205.36 is: 792,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,397.52 : 1,485,026.58 = 528,205.36 : x
  2. Step 2: Convert to fraction form
    990,397.52/1,485,026.58 = 528,205.36/x
  3. Step 3: Cross multiply
    990,397.52x = 1,485,026.58 × 528,205.36
  4. Step 4: Simplify right side
    990,397.52x = 784,398,999,298.47
  5. Step 5: Solve for x
    x = 784,398,999,298.47/990,397.52
  6. Step 6: Final answer
    x = 792,004.20

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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.