Home / 803,057.76-1,108,210.32-435,529.44

Finding the Fourth Proportional to 803,057.76, 1,108,210.32 and 435,529.44

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Solution

The fourth proportional to 803,057.76, 1,108,210.32 and 435,529.44 is: 601,025.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,057.76 : 1,108,210.32 = 435,529.44 : x
  2. Step 2: Convert to fraction form
    803,057.76/1,108,210.32 = 435,529.44/x
  3. Step 3: Cross multiply
    803,057.76x = 1,108,210.32 × 435,529.44
  4. Step 4: Simplify right side
    803,057.76x = 482,658,220,071.82
  5. Step 5: Solve for x
    x = 482,658,220,071.82/803,057.76
  6. Step 6: Final answer
    x = 601,025.54

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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.