Home / 684,293.10-944,242.06-378,328.15

Finding the Fourth Proportional to 684,293.10, 944,242.06 and 378,328.15

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Solution

The fourth proportional to 684,293.10, 944,242.06 and 378,328.15 is: 522,047.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,293.10 : 944,242.06 = 378,328.15 : x
  2. Step 2: Convert to fraction form
    684,293.10/944,242.06 = 378,328.15/x
  3. Step 3: Cross multiply
    684,293.10x = 944,242.06 × 378,328.15
  4. Step 4: Simplify right side
    684,293.10x = 357,233,352,655.84
  5. Step 5: Solve for x
    x = 357,233,352,655.84/684,293.10
  6. Step 6: Final answer
    x = 522,047.28

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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.