Home / 648,320.31-893,850.30-531,603.81

Finding the Fourth Proportional to 648,320.31, 893,850.30 and 531,603.81

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Solution

The fourth proportional to 648,320.31, 893,850.30 and 531,603.81 is: 732,931.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,320.31 : 893,850.30 = 531,603.81 : x
  2. Step 2: Convert to fraction form
    648,320.31/893,850.30 = 531,603.81/x
  3. Step 3: Cross multiply
    648,320.31x = 893,850.30 × 531,603.81
  4. Step 4: Simplify right side
    648,320.31x = 475,174,225,049.64
  5. Step 5: Solve for x
    x = 475,174,225,049.64/648,320.31
  6. Step 6: Final answer
    x = 732,931.27

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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.