Home / 818,854.94-1,130,008.39-456,294.08

Finding the Fourth Proportional to 818,854.94, 1,130,008.39 and 456,294.08

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Solution

The fourth proportional to 818,854.94, 1,130,008.39 and 456,294.08 is: 629,679.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,854.94 : 1,130,008.39 = 456,294.08 : x
  2. Step 2: Convert to fraction form
    818,854.94/1,130,008.39 = 456,294.08/x
  3. Step 3: Cross multiply
    818,854.94x = 1,130,008.39 × 456,294.08
  4. Step 4: Simplify right side
    818,854.94x = 515,616,140,391.62
  5. Step 5: Solve for x
    x = 515,616,140,391.62/818,854.94
  6. Step 6: Final answer
    x = 629,679.46

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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.