Home / 907,388.70-1,359,009.45-534,140.70

Finding the Fourth Proportional to 907,388.70, 1,359,009.45 and 534,140.70

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Solution

The fourth proportional to 907,388.70, 1,359,009.45 and 534,140.70 is: 799,990.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,388.70 : 1,359,009.45 = 534,140.70 : x
  2. Step 2: Convert to fraction form
    907,388.70/1,359,009.45 = 534,140.70/x
  3. Step 3: Cross multiply
    907,388.70x = 1,359,009.45 × 534,140.70
  4. Step 4: Simplify right side
    907,388.70x = 725,902,258,929.62
  5. Step 5: Solve for x
    x = 725,902,258,929.62/907,388.70
  6. Step 6: Final answer
    x = 799,990.41

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1.5x scale

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.