Home / 916,659.01-1,264,970.40-508,736.93

Finding the Fourth Proportional to 916,659.01, 1,264,970.40 and 508,736.93

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Solution

The fourth proportional to 916,659.01, 1,264,970.40 and 508,736.93 is: 702,046.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,659.01 : 1,264,970.40 = 508,736.93 : x
  2. Step 2: Convert to fraction form
    916,659.01/1,264,970.40 = 508,736.93/x
  3. Step 3: Cross multiply
    916,659.01x = 1,264,970.40 × 508,736.93
  4. Step 4: Simplify right side
    916,659.01x = 643,537,157,836.87
  5. Step 5: Solve for x
    x = 643,537,157,836.87/916,659.01
  6. Step 6: Final answer
    x = 702,046.40

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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.