Home / 824,688.72-1,138,068.92-502,398.81

Finding the Fourth Proportional to 824,688.72, 1,138,068.92 and 502,398.81

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Solution

The fourth proportional to 824,688.72, 1,138,068.92 and 502,398.81 is: 693,309.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,688.72 : 1,138,068.92 = 502,398.81 : x
  2. Step 2: Convert to fraction form
    824,688.72/1,138,068.92 = 502,398.81/x
  3. Step 3: Cross multiply
    824,688.72x = 1,138,068.92 × 502,398.81
  4. Step 4: Simplify right side
    824,688.72x = 571,764,472,361.98
  5. Step 5: Solve for x
    x = 571,764,472,361.98/824,688.72
  6. Step 6: Final answer
    x = 693,309.44

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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.