Home / 724,325.54-999,581.76-397,668.94

Finding the Fourth Proportional to 724,325.54, 999,581.76 and 397,668.94

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Solution

The fourth proportional to 724,325.54, 999,581.76 and 397,668.94 is: 548,790.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,325.54 : 999,581.76 = 397,668.94 : x
  2. Step 2: Convert to fraction form
    724,325.54/999,581.76 = 397,668.94/x
  3. Step 3: Cross multiply
    724,325.54x = 999,581.76 × 397,668.94
  4. Step 4: Simplify right side
    724,325.54x = 397,502,616,443.58
  5. Step 5: Solve for x
    x = 397,502,616,443.58/724,325.54
  6. Step 6: Final answer
    x = 548,790.01

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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.