Home / 948,637.47-1,309,102.52-518,913.84

Finding the Fourth Proportional to 948,637.47, 1,309,102.52 and 518,913.84

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Solution

The fourth proportional to 948,637.47, 1,309,102.52 and 518,913.84 is: 716,091.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,637.47 : 1,309,102.52 = 518,913.84 : x
  2. Step 2: Convert to fraction form
    948,637.47/1,309,102.52 = 518,913.84/x
  3. Step 3: Cross multiply
    948,637.47x = 1,309,102.52 × 518,913.84
  4. Step 4: Simplify right side
    948,637.47x = 679,311,413,012.31
  5. Step 5: Solve for x
    x = 679,311,413,012.31/948,637.47
  6. Step 6: Final answer
    x = 716,091.69

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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.