Home / 748,832.45-1,033,389.32-409,300.70

Finding the Fourth Proportional to 748,832.45, 1,033,389.32 and 409,300.70

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Solution

The fourth proportional to 748,832.45, 1,033,389.32 and 409,300.70 is: 564,835.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,832.45 : 1,033,389.32 = 409,300.70 : x
  2. Step 2: Convert to fraction form
    748,832.45/1,033,389.32 = 409,300.70/x
  3. Step 3: Cross multiply
    748,832.45x = 1,033,389.32 × 409,300.70
  4. Step 4: Simplify right side
    748,832.45x = 422,966,964,835.07
  5. Step 5: Solve for x
    x = 422,966,964,835.07/748,832.45
  6. Step 6: Final answer
    x = 564,835.25

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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.