Home / 458,133.04-686,460.84-247,870

Finding the Fourth Proportional to 458,133.04, 686,460.84 and 247,870

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Solution

The fourth proportional to 458,133.04, 686,460.84 and 247,870 is: 371,405.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,133.04 : 686,460.84 = 247,870 : x
  2. Step 2: Convert to fraction form
    458,133.04/686,460.84 = 247,870/x
  3. Step 3: Cross multiply
    458,133.04x = 686,460.84 × 247,870
  4. Step 4: Simplify right side
    458,133.04x = 170,153,048,410.80
  5. Step 5: Solve for x
    x = 170,153,048,410.80/458,133.04
  6. Step 6: Final answer
    x = 371,405.32

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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.