Home / 728,938.98-1,005,887.16-456,996.06

Finding the Fourth Proportional to 728,938.98, 1,005,887.16 and 456,996.06

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Solution

The fourth proportional to 728,938.98, 1,005,887.16 and 456,996.06 is: 630,624.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,938.98 : 1,005,887.16 = 456,996.06 : x
  2. Step 2: Convert to fraction form
    728,938.98/1,005,887.16 = 456,996.06/x
  3. Step 3: Cross multiply
    728,938.98x = 1,005,887.16 × 456,996.06
  4. Step 4: Simplify right side
    728,938.98x = 459,686,468,924.59
  5. Step 5: Solve for x
    x = 459,686,468,924.59/728,938.98
  6. Step 6: Final answer
    x = 630,624.07

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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.