Home / 916,637.19-1,264,940.29-508,715.34

Finding the Fourth Proportional to 916,637.19, 1,264,940.29 and 508,715.34

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Solution

The fourth proportional to 916,637.19, 1,264,940.29 and 508,715.34 is: 702,016.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,637.19 : 1,264,940.29 = 508,715.34 : x
  2. Step 2: Convert to fraction form
    916,637.19/1,264,940.29 = 508,715.34/x
  3. Step 3: Cross multiply
    916,637.19x = 1,264,940.29 × 508,715.34
  4. Step 4: Simplify right side
    916,637.19x = 643,494,529,707.05
  5. Step 5: Solve for x
    x = 643,494,529,707.05/916,637.19
  6. Step 6: Final answer
    x = 702,016.61

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Double scale
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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.