Home / 990,382.12-1,484,588.86-590,423.56

Finding the Fourth Proportional to 990,382.12, 1,484,588.86 and 590,423.56

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Solution

The fourth proportional to 990,382.12, 1,484,588.86 and 590,423.56 is: 885,048.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,382.12 : 1,484,588.86 = 590,423.56 : x
  2. Step 2: Convert to fraction form
    990,382.12/1,484,588.86 = 590,423.56/x
  3. Step 3: Cross multiply
    990,382.12x = 1,484,588.86 × 590,423.56
  4. Step 4: Simplify right side
    990,382.12x = 876,536,234,670.01
  5. Step 5: Solve for x
    x = 876,536,234,670.01/990,382.12
  6. Step 6: Final answer
    x = 885,048.53

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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.