Home / 654,848.70-903,152.07-386,317.50

Finding the Fourth Proportional to 654,848.70, 903,152.07 and 386,317.50

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Solution

The fourth proportional to 654,848.70, 903,152.07 and 386,317.50 is: 532,800.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,848.70 : 903,152.07 = 386,317.50 : x
  2. Step 2: Convert to fraction form
    654,848.70/903,152.07 = 386,317.50/x
  3. Step 3: Cross multiply
    654,848.70x = 903,152.07 × 386,317.50
  4. Step 4: Simplify right side
    654,848.70x = 348,903,449,802.23
  5. Step 5: Solve for x
    x = 348,903,449,802.23/654,848.70
  6. Step 6: Final answer
    x = 532,800.10

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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.