Home / 916,708.32-1,265,070.96-508,836.42

Finding the Fourth Proportional to 916,708.32, 1,265,070.96 and 508,836.42

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Solution

The fourth proportional to 916,708.32, 1,265,070.96 and 508,836.42 is: 702,201.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,708.32 : 1,265,070.96 = 508,836.42 : x
  2. Step 2: Convert to fraction form
    916,708.32/1,265,070.96 = 508,836.42/x
  3. Step 3: Cross multiply
    916,708.32x = 1,265,070.96 × 508,836.42
  4. Step 4: Simplify right side
    916,708.32x = 643,714,178,332.36
  5. Step 5: Solve for x
    x = 643,714,178,332.36/916,708.32
  6. Step 6: Final answer
    x = 702,201.74

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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.