Home / 781,828.48-1,078,832.28-437,683.24

Finding the Fourth Proportional to 781,828.48, 1,078,832.28 and 437,683.24

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Solution

The fourth proportional to 781,828.48, 1,078,832.28 and 437,683.24 is: 603,951.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,828.48 : 1,078,832.28 = 437,683.24 : x
  2. Step 2: Convert to fraction form
    781,828.48/1,078,832.28 = 437,683.24/x
  3. Step 3: Cross multiply
    781,828.48x = 1,078,832.28 × 437,683.24
  4. Step 4: Simplify right side
    781,828.48x = 472,186,807,726.99
  5. Step 5: Solve for x
    x = 472,186,807,726.99/781,828.48
  6. Step 6: Final answer
    x = 603,951.92

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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.