Home / 438,045.48-604,501.92-247,058.28

Finding the Fourth Proportional to 438,045.48, 604,501.92 and 247,058.28

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Solution

The fourth proportional to 438,045.48, 604,501.92 and 247,058.28 is: 340,939.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,045.48 : 604,501.92 = 247,058.28 : x
  2. Step 2: Convert to fraction form
    438,045.48/604,501.92 = 247,058.28/x
  3. Step 3: Cross multiply
    438,045.48x = 604,501.92 × 247,058.28
  4. Step 4: Simplify right side
    438,045.48x = 149,347,204,611.90
  5. Step 5: Solve for x
    x = 149,347,204,611.90/438,045.48
  6. Step 6: Final answer
    x = 340,939.95

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1.5x scale

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.