Home / 743,828.16-1,026,461.29-421,568.04

Finding the Fourth Proportional to 743,828.16, 1,026,461.29 and 421,568.04

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Solution

The fourth proportional to 743,828.16, 1,026,461.29 and 421,568.04 is: 581,751.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,828.16 : 1,026,461.29 = 421,568.04 : x
  2. Step 2: Convert to fraction form
    743,828.16/1,026,461.29 = 421,568.04/x
  3. Step 3: Cross multiply
    743,828.16x = 1,026,461.29 × 421,568.04
  4. Step 4: Simplify right side
    743,828.16x = 432,723,274,161.17
  5. Step 5: Solve for x
    x = 432,723,274,161.17/743,828.16
  6. Step 6: Final answer
    x = 581,751.67

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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.