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Finding the Fourth Proportional to 634,362.83, 875,340.05 and 362,448.33

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Solution

The fourth proportional to 634,362.83, 875,340.05 and 362,448.33 is: 500,132.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,362.83 : 875,340.05 = 362,448.33 : x
  2. Step 2: Convert to fraction form
    634,362.83/875,340.05 = 362,448.33/x
  3. Step 3: Cross multiply
    634,362.83x = 875,340.05 × 362,448.33
  4. Step 4: Simplify right side
    634,362.83x = 317,265,537,492.38
  5. Step 5: Solve for x
    x = 317,265,537,492.38/634,362.83
  6. Step 6: Final answer
    x = 500,132.61

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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.