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Finding the Fourth Proportional to 579,744.30, 870,048.45 and 299,117.10

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Solution

The fourth proportional to 579,744.30, 870,048.45 and 299,117.10 is: 448,898.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,744.30 : 870,048.45 = 299,117.10 : x
  2. Step 2: Convert to fraction form
    579,744.30/870,048.45 = 299,117.10/x
  3. Step 3: Cross multiply
    579,744.30x = 870,048.45 × 299,117.10
  4. Step 4: Simplify right side
    579,744.30x = 260,246,369,223.50
  5. Step 5: Solve for x
    x = 260,246,369,223.50/579,744.30
  6. Step 6: Final answer
    x = 448,898.54

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Double scale
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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.