Home / 602,619.69-831,612.90-330,692.16

Finding the Fourth Proportional to 602,619.69, 831,612.90 and 330,692.16

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Solution

The fourth proportional to 602,619.69, 831,612.90 and 330,692.16 is: 456,353.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,619.69 : 831,612.90 = 330,692.16 : x
  2. Step 2: Convert to fraction form
    602,619.69/831,612.90 = 330,692.16/x
  3. Step 3: Cross multiply
    602,619.69x = 831,612.90 × 330,692.16
  4. Step 4: Simplify right side
    602,619.69x = 275,007,866,184.86
  5. Step 5: Solve for x
    x = 275,007,866,184.86/602,619.69
  6. Step 6: Final answer
    x = 456,353.93

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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.