Home / 916,795.29-1,265,114.16-508,865.07

Finding the Fourth Proportional to 916,795.29, 1,265,114.16 and 508,865.07

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Solution

The fourth proportional to 916,795.29, 1,265,114.16 and 508,865.07 is: 702,198.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,795.29 : 1,265,114.16 = 508,865.07 : x
  2. Step 2: Convert to fraction form
    916,795.29/1,265,114.16 = 508,865.07/x
  3. Step 3: Cross multiply
    916,795.29x = 1,265,114.16 × 508,865.07
  4. Step 4: Simplify right side
    916,795.29x = 643,772,405,586.39
  5. Step 5: Solve for x
    x = 643,772,405,586.39/916,795.29
  6. Step 6: Final answer
    x = 702,198.64

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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.