Home / 868,587.59-1,303,055.53-299,989.54

Finding the Fourth Proportional to 868,587.59, 1,303,055.53 and 299,989.54

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Solution

The fourth proportional to 868,587.59, 1,303,055.53 and 299,989.54 is: 450,044.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,587.59 : 1,303,055.53 = 299,989.54 : x
  2. Step 2: Convert to fraction form
    868,587.59/1,303,055.53 = 299,989.54/x
  3. Step 3: Cross multiply
    868,587.59x = 1,303,055.53 × 299,989.54
  4. Step 4: Simplify right side
    868,587.59x = 390,903,029,039.16
  5. Step 5: Solve for x
    x = 390,903,029,039.16/868,587.59
  6. Step 6: Final answer
    x = 450,044.46

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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.