Home / 743,694.14-1,026,295.07-421,465.83

Finding the Fourth Proportional to 743,694.14, 1,026,295.07 and 421,465.83

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Solution

The fourth proportional to 743,694.14, 1,026,295.07 and 421,465.83 is: 581,621.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,694.14 : 1,026,295.07 = 421,465.83 : x
  2. Step 2: Convert to fraction form
    743,694.14/1,026,295.07 = 421,465.83/x
  3. Step 3: Cross multiply
    743,694.14x = 1,026,295.07 × 421,465.83
  4. Step 4: Simplify right side
    743,694.14x = 432,548,301,395.13
  5. Step 5: Solve for x
    x = 432,548,301,395.13/743,694.14
  6. Step 6: Final answer
    x = 581,621.24

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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.