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Finding the Fourth Proportional to 648,807.32, 895,367.54 and 362,327.68

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Solution

The fourth proportional to 648,807.32, 895,367.54 and 362,327.68 is: 500,019.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,807.32 : 895,367.54 = 362,327.68 : x
  2. Step 2: Convert to fraction form
    648,807.32/895,367.54 = 362,327.68/x
  3. Step 3: Cross multiply
    648,807.32x = 895,367.54 × 362,327.68
  4. Step 4: Simplify right side
    648,807.32x = 324,416,443,515.51
  5. Step 5: Solve for x
    x = 324,416,443,515.51/648,807.32
  6. Step 6: Final answer
    x = 500,019.70

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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.