Home / 916,985.23-1,375,035.43-384,363.25

Finding the Fourth Proportional to 916,985.23, 1,375,035.43 and 384,363.25

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Solution

The fourth proportional to 916,985.23, 1,375,035.43 and 384,363.25 is: 576,359.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,985.23 : 1,375,035.43 = 384,363.25 : x
  2. Step 2: Convert to fraction form
    916,985.23/1,375,035.43 = 384,363.25/x
  3. Step 3: Cross multiply
    916,985.23x = 1,375,035.43 × 384,363.25
  4. Step 4: Simplify right side
    916,985.23x = 528,513,086,739.95
  5. Step 5: Solve for x
    x = 528,513,086,739.95/916,985.23
  6. Step 6: Final answer
    x = 576,359.43

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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.