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Finding the Fourth Proportional to 501,523.62, 692,116.95 and 286,692.18

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Solution

The fourth proportional to 501,523.62, 692,116.95 and 286,692.18 is: 395,643.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,523.62 : 692,116.95 = 286,692.18 : x
  2. Step 2: Convert to fraction form
    501,523.62/692,116.95 = 286,692.18/x
  3. Step 3: Cross multiply
    501,523.62x = 692,116.95 × 286,692.18
  4. Step 4: Simplify right side
    501,523.62x = 198,424,517,210.45
  5. Step 5: Solve for x
    x = 198,424,517,210.45/501,523.62
  6. Step 6: Final answer
    x = 395,643.41

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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.