Home / 814,622.65-1,124,205.04-470,452.35

Finding the Fourth Proportional to 814,622.65, 1,124,205.04 and 470,452.35

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Solution

The fourth proportional to 814,622.65, 1,124,205.04 and 470,452.35 is: 649,239.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,622.65 : 1,124,205.04 = 470,452.35 : x
  2. Step 2: Convert to fraction form
    814,622.65/1,124,205.04 = 470,452.35/x
  3. Step 3: Cross multiply
    814,622.65x = 1,124,205.04 × 470,452.35
  4. Step 4: Simplify right side
    814,622.65x = 528,884,905,989.48
  5. Step 5: Solve for x
    x = 528,884,905,989.48/814,622.65
  6. Step 6: Final answer
    x = 649,239.14

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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.