Home / 905,681.02-1,358,438.20-306,573.70

Finding the Fourth Proportional to 905,681.02, 1,358,438.20 and 306,573.70

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Solution

The fourth proportional to 905,681.02, 1,358,438.20 and 306,573.70 is: 459,832.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,681.02 : 1,358,438.20 = 306,573.70 : x
  2. Step 2: Convert to fraction form
    905,681.02/1,358,438.20 = 306,573.70/x
  3. Step 3: Cross multiply
    905,681.02x = 1,358,438.20 × 306,573.70
  4. Step 4: Simplify right side
    905,681.02x = 416,461,425,195.34
  5. Step 5: Solve for x
    x = 416,461,425,195.34/905,681.02
  6. Step 6: Final answer
    x = 459,832.34

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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.