Home / 948,742.83-1,309,275.51-519,013.74

Finding the Fourth Proportional to 948,742.83, 1,309,275.51 and 519,013.74

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Solution

The fourth proportional to 948,742.83, 1,309,275.51 and 519,013.74 is: 716,244.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,742.83 : 1,309,275.51 = 519,013.74 : x
  2. Step 2: Convert to fraction form
    948,742.83/1,309,275.51 = 519,013.74/x
  3. Step 3: Cross multiply
    948,742.83x = 1,309,275.51 × 519,013.74
  4. Step 4: Simplify right side
    948,742.83x = 679,531,979,135.51
  5. Step 5: Solve for x
    x = 679,531,979,135.51/948,742.83
  6. Step 6: Final answer
    x = 716,244.65

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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.