Home / 916,216.52-1,374,412.23-284,960.84

Finding the Fourth Proportional to 916,216.52, 1,374,412.23 and 284,960.84

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Solution

The fourth proportional to 916,216.52, 1,374,412.23 and 284,960.84 is: 427,468.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,216.52 : 1,374,412.23 = 284,960.84 : x
  2. Step 2: Convert to fraction form
    916,216.52/1,374,412.23 = 284,960.84/x
  3. Step 3: Cross multiply
    916,216.52x = 1,374,412.23 × 284,960.84
  4. Step 4: Simplify right side
    916,216.52x = 391,653,663,567.07
  5. Step 5: Solve for x
    x = 391,653,663,567.07/916,216.52
  6. Step 6: Final answer
    x = 427,468.46

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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.