Home / 745,892.70-1,029,455.38-440,043.96

Finding the Fourth Proportional to 745,892.70, 1,029,455.38 and 440,043.96

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Solution

The fourth proportional to 745,892.70, 1,029,455.38 and 440,043.96 is: 607,333.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,892.70 : 1,029,455.38 = 440,043.96 : x
  2. Step 2: Convert to fraction form
    745,892.70/1,029,455.38 = 440,043.96/x
  3. Step 3: Cross multiply
    745,892.70x = 1,029,455.38 × 440,043.96
  4. Step 4: Simplify right side
    745,892.70x = 453,005,622,058.51
  5. Step 5: Solve for x
    x = 453,005,622,058.51/745,892.70
  6. Step 6: Final answer
    x = 607,333.50

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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.