Home / 918,884.79-1,267,875.19-536,837.76

Finding the Fourth Proportional to 918,884.79, 1,267,875.19 and 536,837.76

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Solution

The fourth proportional to 918,884.79, 1,267,875.19 and 536,837.76 is: 740,727.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,884.79 : 1,267,875.19 = 536,837.76 : x
  2. Step 2: Convert to fraction form
    918,884.79/1,267,875.19 = 536,837.76/x
  3. Step 3: Cross multiply
    918,884.79x = 1,267,875.19 × 536,837.76
  4. Step 4: Simplify right side
    918,884.79x = 680,643,274,610.51
  5. Step 5: Solve for x
    x = 680,643,274,610.51/918,884.79
  6. Step 6: Final answer
    x = 740,727.54

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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.