Home / 609,280.04-840,541.75-367,428.21

Finding the Fourth Proportional to 609,280.04, 840,541.75 and 367,428.21

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Solution

The fourth proportional to 609,280.04, 840,541.75 and 367,428.21 is: 506,891.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,280.04 : 840,541.75 = 367,428.21 : x
  2. Step 2: Convert to fraction form
    609,280.04/840,541.75 = 367,428.21/x
  3. Step 3: Cross multiply
    609,280.04x = 840,541.75 × 367,428.21
  4. Step 4: Simplify right side
    609,280.04x = 308,838,752,866.23
  5. Step 5: Solve for x
    x = 308,838,752,866.23/609,280.04
  6. Step 6: Final answer
    x = 506,891.30

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1.5x scale

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.