Home / 916,129.64-1,264,260.37-508,231.47

Finding the Fourth Proportional to 916,129.64, 1,264,260.37 and 508,231.47

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Solution

The fourth proportional to 916,129.64, 1,264,260.37 and 508,231.47 is: 701,360.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,129.64 : 1,264,260.37 = 508,231.47 : x
  2. Step 2: Convert to fraction form
    916,129.64/1,264,260.37 = 508,231.47/x
  3. Step 3: Cross multiply
    916,129.64x = 1,264,260.37 × 508,231.47
  4. Step 4: Simplify right side
    916,129.64x = 642,536,906,307.84
  5. Step 5: Solve for x
    x = 642,536,906,307.84/916,129.64
  6. Step 6: Final answer
    x = 701,360.24

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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.