Home / 748,492.86-1,032,935.67-408,983.58

Finding the Fourth Proportional to 748,492.86, 1,032,935.67 and 408,983.58

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Solution

The fourth proportional to 748,492.86, 1,032,935.67 and 408,983.58 is: 564,405.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,492.86 : 1,032,935.67 = 408,983.58 : x
  2. Step 2: Convert to fraction form
    748,492.86/1,032,935.67 = 408,983.58/x
  3. Step 3: Cross multiply
    748,492.86x = 1,032,935.67 × 408,983.58
  4. Step 4: Simplify right side
    748,492.86x = 422,453,728,226.30
  5. Step 5: Solve for x
    x = 422,453,728,226.30/748,492.86
  6. Step 6: Final answer
    x = 564,405.82

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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.