Home / 501,563.36-692,157.40-286,708.04

Finding the Fourth Proportional to 501,563.36, 692,157.40 and 286,708.04

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Solution

The fourth proportional to 501,563.36, 692,157.40 and 286,708.04 is: 395,657.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,563.36 : 692,157.40 = 286,708.04 : x
  2. Step 2: Convert to fraction form
    501,563.36/692,157.40 = 286,708.04/x
  3. Step 3: Cross multiply
    501,563.36x = 692,157.40 × 286,708.04
  4. Step 4: Simplify right side
    501,563.36x = 198,447,091,525.50
  5. Step 5: Solve for x
    x = 198,447,091,525.50/501,563.36
  6. Step 6: Final answer
    x = 395,657.07

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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.