Home / 658,928.32-909,312.96-357,115.84

Finding the Fourth Proportional to 658,928.32, 909,312.96 and 357,115.84

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Solution

The fourth proportional to 658,928.32, 909,312.96 and 357,115.84 is: 492,815.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,928.32 : 909,312.96 = 357,115.84 : x
  2. Step 2: Convert to fraction form
    658,928.32/909,312.96 = 357,115.84/x
  3. Step 3: Cross multiply
    658,928.32x = 909,312.96 × 357,115.84
  4. Step 4: Simplify right side
    658,928.32x = 324,730,061,533.29
  5. Step 5: Solve for x
    x = 324,730,061,533.29/658,928.32
  6. Step 6: Final answer
    x = 492,815.46

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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.