Home / 648,821.20-972,940.20-249,329.20

Finding the Fourth Proportional to 648,821.20, 972,940.20 and 249,329.20

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Solution

The fourth proportional to 648,821.20, 972,940.20 and 249,329.20 is: 373,881.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,821.20 : 972,940.20 = 249,329.20 : x
  2. Step 2: Convert to fraction form
    648,821.20/972,940.20 = 249,329.20/x
  3. Step 3: Cross multiply
    648,821.20x = 972,940.20 × 249,329.20
  4. Step 4: Simplify right side
    648,821.20x = 242,582,401,713.84
  5. Step 5: Solve for x
    x = 242,582,401,713.84/648,821.20
  6. Step 6: Final answer
    x = 373,881.74

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1.5x scale

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.