Home / 676,274.40-933,032.12-389,788.34

Finding the Fourth Proportional to 676,274.40, 933,032.12 and 389,788.34

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Solution

The fourth proportional to 676,274.40, 933,032.12 and 389,788.34 is: 537,777.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,274.40 : 933,032.12 = 389,788.34 : x
  2. Step 2: Convert to fraction form
    676,274.40/933,032.12 = 389,788.34/x
  3. Step 3: Cross multiply
    676,274.40x = 933,032.12 × 389,788.34
  4. Step 4: Simplify right side
    676,274.40x = 363,685,034,607.38
  5. Step 5: Solve for x
    x = 363,685,034,607.38/676,274.40
  6. Step 6: Final answer
    x = 537,777.32

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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.