Home / 942,329.66-1,300,440.81-528,892.14

Finding the Fourth Proportional to 942,329.66, 1,300,440.81 and 528,892.14

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Solution

The fourth proportional to 942,329.66, 1,300,440.81 and 528,892.14 is: 729,885.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,329.66 : 1,300,440.81 = 528,892.14 : x
  2. Step 2: Convert to fraction form
    942,329.66/1,300,440.81 = 528,892.14/x
  3. Step 3: Cross multiply
    942,329.66x = 1,300,440.81 × 528,892.14
  4. Step 4: Simplify right side
    942,329.66x = 687,792,922,944.23
  5. Step 5: Solve for x
    x = 687,792,922,944.23/942,329.66
  6. Step 6: Final answer
    x = 729,885.68

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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.