Home / 909,434.48-1,363,776.38-310,443.93

Finding the Fourth Proportional to 909,434.48, 1,363,776.38 and 310,443.93

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Solution

The fourth proportional to 909,434.48, 1,363,776.38 and 310,443.93 is: 465,537.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,434.48 : 1,363,776.38 = 310,443.93 : x
  2. Step 2: Convert to fraction form
    909,434.48/1,363,776.38 = 310,443.93/x
  3. Step 3: Cross multiply
    909,434.48x = 1,363,776.38 × 310,443.93
  4. Step 4: Simplify right side
    909,434.48x = 423,376,098,660.32
  5. Step 5: Solve for x
    x = 423,376,098,660.32/909,434.48
  6. Step 6: Final answer
    x = 465,537.77

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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.