Home / 676,368.52-933,556.26-390,060.52

Finding the Fourth Proportional to 676,368.52, 933,556.26 and 390,060.52

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Solution

The fourth proportional to 676,368.52, 933,556.26 and 390,060.52 is: 538,380.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,368.52 : 933,556.26 = 390,060.52 : x
  2. Step 2: Convert to fraction form
    676,368.52/933,556.26 = 390,060.52/x
  3. Step 3: Cross multiply
    676,368.52x = 933,556.26 × 390,060.52
  4. Step 4: Simplify right side
    676,368.52x = 364,143,440,224.86
  5. Step 5: Solve for x
    x = 364,143,440,224.86/676,368.52
  6. Step 6: Final answer
    x = 538,380.23

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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.