Home / 714,242.79-1,071,308.29-208,808.46

Finding the Fourth Proportional to 714,242.79, 1,071,308.29 and 208,808.46

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Solution

The fourth proportional to 714,242.79, 1,071,308.29 and 208,808.46 is: 313,196.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,242.79 : 1,071,308.29 = 208,808.46 : x
  2. Step 2: Convert to fraction form
    714,242.79/1,071,308.29 = 208,808.46/x
  3. Step 3: Cross multiply
    714,242.79x = 1,071,308.29 × 208,808.46
  4. Step 4: Simplify right side
    714,242.79x = 223,698,234,220.13
  5. Step 5: Solve for x
    x = 223,698,234,220.13/714,242.79
  6. Step 6: Final answer
    x = 313,196.35

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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.