Home / 990,858.64-1,484,353.02-470,793.73

Finding the Fourth Proportional to 990,858.64, 1,484,353.02 and 470,793.73

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Solution

The fourth proportional to 990,858.64, 1,484,353.02 and 470,793.73 is: 705,271.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,858.64 : 1,484,353.02 = 470,793.73 : x
  2. Step 2: Convert to fraction form
    990,858.64/1,484,353.02 = 470,793.73/x
  3. Step 3: Cross multiply
    990,858.64x = 1,484,353.02 × 470,793.73
  4. Step 4: Simplify right side
    990,858.64x = 698,824,088,857.71
  5. Step 5: Solve for x
    x = 698,824,088,857.71/990,858.64
  6. Step 6: Final answer
    x = 705,271.23

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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.