Home / 980,384.15-1,353,057.14-550,664.30

Finding the Fourth Proportional to 980,384.15, 1,353,057.14 and 550,664.30

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Solution

The fourth proportional to 980,384.15, 1,353,057.14 and 550,664.30 is: 759,988.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,384.15 : 1,353,057.14 = 550,664.30 : x
  2. Step 2: Convert to fraction form
    980,384.15/1,353,057.14 = 550,664.30/x
  3. Step 3: Cross multiply
    980,384.15x = 1,353,057.14 × 550,664.30
  4. Step 4: Simplify right side
    980,384.15x = 745,080,262,858.10
  5. Step 5: Solve for x
    x = 745,080,262,858.10/980,384.15
  6. Step 6: Final answer
    x = 759,988.07

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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.