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Finding the Fourth Proportional to 676,482.34, 933,494.25 and 374,669.86

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Solution

The fourth proportional to 676,482.34, 933,494.25 and 374,669.86 is: 517,015.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,482.34 : 933,494.25 = 374,669.86 : x
  2. Step 2: Convert to fraction form
    676,482.34/933,494.25 = 374,669.86/x
  3. Step 3: Cross multiply
    676,482.34x = 933,494.25 × 374,669.86
  4. Step 4: Simplify right side
    676,482.34x = 349,752,159,958.31
  5. Step 5: Solve for x
    x = 349,752,159,958.31/676,482.34
  6. Step 6: Final answer
    x = 517,015.95

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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.