Home / 658,823.84-909,178.08-357,017.84

Finding the Fourth Proportional to 658,823.84, 909,178.08 and 357,017.84

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Solution

The fourth proportional to 658,823.84, 909,178.08 and 357,017.84 is: 492,685.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,823.84 : 909,178.08 = 357,017.84 : x
  2. Step 2: Convert to fraction form
    658,823.84/909,178.08 = 357,017.84/x
  3. Step 3: Cross multiply
    658,823.84x = 909,178.08 × 357,017.84
  4. Step 4: Simplify right side
    658,823.84x = 324,592,794,296.95
  5. Step 5: Solve for x
    x = 324,592,794,296.95/658,823.84
  6. Step 6: Final answer
    x = 492,685.26

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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.