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Finding the Fourth Proportional to 565,026.10, 779,733.79 and 306,900.97

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Solution

The fourth proportional to 565,026.10, 779,733.79 and 306,900.97 is: 423,522.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,026.10 : 779,733.79 = 306,900.97 : x
  2. Step 2: Convert to fraction form
    565,026.10/779,733.79 = 306,900.97/x
  3. Step 3: Cross multiply
    565,026.10x = 779,733.79 × 306,900.97
  4. Step 4: Simplify right side
    565,026.10x = 239,301,055,502.51
  5. Step 5: Solve for x
    x = 239,301,055,502.51/565,026.10
  6. Step 6: Final answer
    x = 423,522.13

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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.