Home / 521,748.10-719,677.82-358,325.74

Finding the Fourth Proportional to 521,748.10, 719,677.82 and 358,325.74

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Solution

The fourth proportional to 521,748.10, 719,677.82 and 358,325.74 is: 494,259.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,748.10 : 719,677.82 = 358,325.74 : x
  2. Step 2: Convert to fraction form
    521,748.10/719,677.82 = 358,325.74/x
  3. Step 3: Cross multiply
    521,748.10x = 719,677.82 × 358,325.74
  4. Step 4: Simplify right side
    521,748.10x = 257,879,087,413.09
  5. Step 5: Solve for x
    x = 257,879,087,413.09/521,748.10
  6. Step 6: Final answer
    x = 494,259.75

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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.