Home / 899,136.60-1,349,223.30-338,573.40

Finding the Fourth Proportional to 899,136.60, 1,349,223.30 and 338,573.40

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Solution

The fourth proportional to 899,136.60, 1,349,223.30 and 338,573.40 is: 508,055.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,136.60 : 1,349,223.30 = 338,573.40 : x
  2. Step 2: Convert to fraction form
    899,136.60/1,349,223.30 = 338,573.40/x
  3. Step 3: Cross multiply
    899,136.60x = 1,349,223.30 × 338,573.40
  4. Step 4: Simplify right side
    899,136.60x = 456,811,120,040.22
  5. Step 5: Solve for x
    x = 456,811,120,040.22/899,136.60
  6. Step 6: Final answer
    x = 508,055.31

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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.