Home / 832,178.64-1,247,518.64-299,325.12

Finding the Fourth Proportional to 832,178.64, 1,247,518.64 and 299,325.12

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Solution

The fourth proportional to 832,178.64, 1,247,518.64 and 299,325.12 is: 448,718.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,178.64 : 1,247,518.64 = 299,325.12 : x
  2. Step 2: Convert to fraction form
    832,178.64/1,247,518.64 = 299,325.12/x
  3. Step 3: Cross multiply
    832,178.64x = 1,247,518.64 × 299,325.12
  4. Step 4: Simplify right side
    832,178.64x = 373,413,666,620.24
  5. Step 5: Solve for x
    x = 373,413,666,620.24/832,178.64
  6. Step 6: Final answer
    x = 448,718.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.