Home / 599,931.64-828,114.15-345,384.28

Finding the Fourth Proportional to 599,931.64, 828,114.15 and 345,384.28

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Solution

The fourth proportional to 599,931.64, 828,114.15 and 345,384.28 is: 476,750.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,931.64 : 828,114.15 = 345,384.28 : x
  2. Step 2: Convert to fraction form
    599,931.64/828,114.15 = 345,384.28/x
  3. Step 3: Cross multiply
    599,931.64x = 828,114.15 × 345,384.28
  4. Step 4: Simplify right side
    599,931.64x = 286,017,609,455.56
  5. Step 5: Solve for x
    x = 286,017,609,455.56/599,931.64
  6. Step 6: Final answer
    x = 476,750.33

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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.