Home / 900,072.36-1,242,165.02-537,511.50

Finding the Fourth Proportional to 900,072.36, 1,242,165.02 and 537,511.50

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Solution

The fourth proportional to 900,072.36, 1,242,165.02 and 537,511.50 is: 741,804.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,072.36 : 1,242,165.02 = 537,511.50 : x
  2. Step 2: Convert to fraction form
    900,072.36/1,242,165.02 = 537,511.50/x
  3. Step 3: Cross multiply
    900,072.36x = 1,242,165.02 × 537,511.50
  4. Step 4: Simplify right side
    900,072.36x = 667,677,978,280.68
  5. Step 5: Solve for x
    x = 667,677,978,280.68/900,072.36
  6. Step 6: Final answer
    x = 741,804.78

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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.