Home / 501,955.04-692,655.36-287,060.24

Finding the Fourth Proportional to 501,955.04, 692,655.36 and 287,060.24

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Solution

The fourth proportional to 501,955.04, 692,655.36 and 287,060.24 is: 396,118.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,955.04 : 692,655.36 = 287,060.24 : x
  2. Step 2: Convert to fraction form
    501,955.04/692,655.36 = 287,060.24/x
  3. Step 3: Cross multiply
    501,955.04x = 692,655.36 × 287,060.24
  4. Step 4: Simplify right side
    501,955.04x = 198,833,813,878.89
  5. Step 5: Solve for x
    x = 198,833,813,878.89/501,955.04
  6. Step 6: Final answer
    x = 396,118.77

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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.