Home / 909,434.10-1,363,775.81-310,443.56

Finding the Fourth Proportional to 909,434.10, 1,363,775.81 and 310,443.56

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Solution

The fourth proportional to 909,434.10, 1,363,775.81 and 310,443.56 is: 465,537.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,434.10 : 1,363,775.81 = 310,443.56 : x
  2. Step 2: Convert to fraction form
    909,434.10/1,363,775.81 = 310,443.56/x
  3. Step 3: Cross multiply
    909,434.10x = 1,363,775.81 × 310,443.56
  4. Step 4: Simplify right side
    909,434.10x = 423,375,411,455.51
  5. Step 5: Solve for x
    x = 423,375,411,455.51/909,434.10
  6. Step 6: Final answer
    x = 465,537.21

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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.