Home / 948,852.45-1,309,419.54-519,131.25

Finding the Fourth Proportional to 948,852.45, 1,309,419.54 and 519,131.25

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Solution

The fourth proportional to 948,852.45, 1,309,419.54 and 519,131.25 is: 716,402.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,852.45 : 1,309,419.54 = 519,131.25 : x
  2. Step 2: Convert to fraction form
    948,852.45/1,309,419.54 = 519,131.25/x
  3. Step 3: Cross multiply
    948,852.45x = 1,309,419.54 × 519,131.25
  4. Step 4: Simplify right side
    948,852.45x = 679,760,602,574.63
  5. Step 5: Solve for x
    x = 679,760,602,574.63/948,852.45
  6. Step 6: Final answer
    x = 716,402.85

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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.