Home / 743,837.01-1,026,455.72-421,550.97

Finding the Fourth Proportional to 743,837.01, 1,026,455.72 and 421,550.97

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Solution

The fourth proportional to 743,837.01, 1,026,455.72 and 421,550.97 is: 581,718.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,837.01 : 1,026,455.72 = 421,550.97 : x
  2. Step 2: Convert to fraction form
    743,837.01/1,026,455.72 = 421,550.97/x
  3. Step 3: Cross multiply
    743,837.01x = 1,026,455.72 × 421,550.97
  4. Step 4: Simplify right side
    743,837.01x = 432,703,402,320.29
  5. Step 5: Solve for x
    x = 432,703,402,320.29/743,837.01
  6. Step 6: Final answer
    x = 581,718.03

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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.