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Finding the Fourth Proportional to 668,756.30, 922,875.99 and 366,950.30

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Solution

The fourth proportional to 668,756.30, 922,875.99 and 366,950.30 is: 506,387.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,756.30 : 922,875.99 = 366,950.30 : x
  2. Step 2: Convert to fraction form
    668,756.30/922,875.99 = 366,950.30/x
  3. Step 3: Cross multiply
    668,756.30x = 922,875.99 × 366,950.30
  4. Step 4: Simplify right side
    668,756.30x = 338,649,621,393.30
  5. Step 5: Solve for x
    x = 338,649,621,393.30/668,756.30
  6. Step 6: Final answer
    x = 506,387.19

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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.