Home / 578,037.24-866,919.72-325,427.40

Finding the Fourth Proportional to 578,037.24, 866,919.72 and 325,427.40

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Solution

The fourth proportional to 578,037.24, 866,919.72 and 325,427.40 is: 488,064.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,037.24 : 866,919.72 = 325,427.40 : x
  2. Step 2: Convert to fraction form
    578,037.24/866,919.72 = 325,427.40/x
  3. Step 3: Cross multiply
    578,037.24x = 866,919.72 × 325,427.40
  4. Step 4: Simplify right side
    578,037.24x = 282,119,430,488.33
  5. Step 5: Solve for x
    x = 282,119,430,488.33/578,037.24
  6. Step 6: Final answer
    x = 488,064.45

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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.