Home / 899,483.60-1,349,225.40-338,643.92

Finding the Fourth Proportional to 899,483.60, 1,349,225.40 and 338,643.92

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Solution

The fourth proportional to 899,483.60, 1,349,225.40 and 338,643.92 is: 507,965.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,483.60 : 1,349,225.40 = 338,643.92 : x
  2. Step 2: Convert to fraction form
    899,483.60/1,349,225.40 = 338,643.92/x
  3. Step 3: Cross multiply
    899,483.60x = 1,349,225.40 × 338,643.92
  4. Step 4: Simplify right side
    899,483.60x = 456,906,978,419.57
  5. Step 5: Solve for x
    x = 456,906,978,419.57/899,483.60
  6. Step 6: Final answer
    x = 507,965.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.