Home / 743,700.15-1,026,303.33-421,471.83

Finding the Fourth Proportional to 743,700.15, 1,026,303.33 and 421,471.83

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Solution

The fourth proportional to 743,700.15, 1,026,303.33 and 421,471.83 is: 581,629.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,700.15 : 1,026,303.33 = 421,471.83 : x
  2. Step 2: Convert to fraction form
    743,700.15/1,026,303.33 = 421,471.83/x
  3. Step 3: Cross multiply
    743,700.15x = 1,026,303.33 × 421,471.83
  4. Step 4: Simplify right side
    743,700.15x = 432,557,942,630.19
  5. Step 5: Solve for x
    x = 432,557,942,630.19/743,700.15
  6. Step 6: Final answer
    x = 581,629.49

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Double scale
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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.