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Finding the Fourth Proportional to 648,607.92, 895,041.32 and 362,146.15

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Solution

The fourth proportional to 648,607.92, 895,041.32 and 362,146.15 is: 499,740.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,607.92 : 895,041.32 = 362,146.15 : x
  2. Step 2: Convert to fraction form
    648,607.92/895,041.32 = 362,146.15/x
  3. Step 3: Cross multiply
    648,607.92x = 895,041.32 × 362,146.15
  4. Step 4: Simplify right side
    648,607.92x = 324,135,768,128.92
  5. Step 5: Solve for x
    x = 324,135,768,128.92/648,607.92
  6. Step 6: Final answer
    x = 499,740.69

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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.