Home / 821,510.60-1,230,192.30-610,003.40

Finding the Fourth Proportional to 821,510.60, 1,230,192.30 and 610,003.40

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Solution

The fourth proportional to 821,510.60, 1,230,192.30 and 610,003.40 is: 913,465.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,510.60 : 1,230,192.30 = 610,003.40 : x
  2. Step 2: Convert to fraction form
    821,510.60/1,230,192.30 = 610,003.40/x
  3. Step 3: Cross multiply
    821,510.60x = 1,230,192.30 × 610,003.40
  4. Step 4: Simplify right side
    821,510.60x = 750,421,485,653.82
  5. Step 5: Solve for x
    x = 750,421,485,653.82/821,510.60
  6. Step 6: Final answer
    x = 913,465.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.