Home / 968,695.99-1,453,061.82-421,533.21

Finding the Fourth Proportional to 968,695.99, 1,453,061.82 and 421,533.21

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Solution

The fourth proportional to 968,695.99, 1,453,061.82 and 421,533.21 is: 632,307.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,695.99 : 1,453,061.82 = 421,533.21 : x
  2. Step 2: Convert to fraction form
    968,695.99/1,453,061.82 = 421,533.21/x
  3. Step 3: Cross multiply
    968,695.99x = 1,453,061.82 × 421,533.21
  4. Step 4: Simplify right side
    968,695.99x = 612,513,813,313.04
  5. Step 5: Solve for x
    x = 612,513,813,313.04/968,695.99
  6. Step 6: Final answer
    x = 632,307.58

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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.