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Finding the Fourth Proportional to 562,328.54, 776,011.68 and 304,205.42

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Solution

The fourth proportional to 562,328.54, 776,011.68 and 304,205.42 is: 419,802.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,328.54 : 776,011.68 = 304,205.42 : x
  2. Step 2: Convert to fraction form
    562,328.54/776,011.68 = 304,205.42/x
  3. Step 3: Cross multiply
    562,328.54x = 776,011.68 × 304,205.42
  4. Step 4: Simplify right side
    562,328.54x = 236,066,956,614.27
  5. Step 5: Solve for x
    x = 236,066,956,614.27/562,328.54
  6. Step 6: Final answer
    x = 419,802.55

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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.