Home / 868,587.97-1,303,056.10-299,989.93

Finding the Fourth Proportional to 868,587.97, 1,303,056.10 and 299,989.93

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Solution

The fourth proportional to 868,587.97, 1,303,056.10 and 299,989.93 is: 450,045.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,587.97 : 1,303,056.10 = 299,989.93 : x
  2. Step 2: Convert to fraction form
    868,587.97/1,303,056.10 = 299,989.93/x
  3. Step 3: Cross multiply
    868,587.97x = 1,303,056.10 × 299,989.93
  4. Step 4: Simplify right side
    868,587.97x = 390,903,700,959.82
  5. Step 5: Solve for x
    x = 390,903,700,959.82/868,587.97
  6. Step 6: Final answer
    x = 450,045.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.