Home / 658,845.84-909,200.90-368,454.18

Finding the Fourth Proportional to 658,845.84, 909,200.90 and 368,454.18

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Solution

The fourth proportional to 658,845.84, 909,200.90 and 368,454.18 is: 508,463.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,845.84 : 909,200.90 = 368,454.18 : x
  2. Step 2: Convert to fraction form
    658,845.84/909,200.90 = 368,454.18/x
  3. Step 3: Cross multiply
    658,845.84x = 909,200.90 × 368,454.18
  4. Step 4: Simplify right side
    658,845.84x = 334,998,872,985.90
  5. Step 5: Solve for x
    x = 334,998,872,985.90/658,845.84
  6. Step 6: Final answer
    x = 508,463.21

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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.