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Finding the Fourth Proportional to 501,561.54, 692,155.02 and 286,706.34

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Solution

The fourth proportional to 501,561.54, 692,155.02 and 286,706.34 is: 395,654.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,561.54 : 692,155.02 = 286,706.34 : x
  2. Step 2: Convert to fraction form
    501,561.54/692,155.02 = 286,706.34/x
  3. Step 3: Cross multiply
    501,561.54x = 692,155.02 × 286,706.34
  4. Step 4: Simplify right side
    501,561.54x = 198,445,232,496.83
  5. Step 5: Solve for x
    x = 198,445,232,496.83/501,561.54
  6. Step 6: Final answer
    x = 395,654.80

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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.