Home / 743,793.03-1,026,412.83-421,532.91

Finding the Fourth Proportional to 743,793.03, 1,026,412.83 and 421,532.91

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Solution

The fourth proportional to 743,793.03, 1,026,412.83 and 421,532.91 is: 581,703.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,793.03 : 1,026,412.83 = 421,532.91 : x
  2. Step 2: Convert to fraction form
    743,793.03/1,026,412.83 = 421,532.91/x
  3. Step 3: Cross multiply
    743,793.03x = 1,026,412.83 × 421,532.91
  4. Step 4: Simplify right side
    743,793.03x = 432,666,787,091.24
  5. Step 5: Solve for x
    x = 432,666,787,091.24/743,793.03
  6. Step 6: Final answer
    x = 581,703.20

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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.