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Finding the Fourth Proportional to 571,583.60, 788,850.32 and 329,931.03

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Solution

The fourth proportional to 571,583.60, 788,850.32 and 329,931.03 is: 455,342.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,583.60 : 788,850.32 = 329,931.03 : x
  2. Step 2: Convert to fraction form
    571,583.60/788,850.32 = 329,931.03/x
  3. Step 3: Cross multiply
    571,583.60x = 788,850.32 × 329,931.03
  4. Step 4: Simplify right side
    571,583.60x = 260,266,196,943.77
  5. Step 5: Solve for x
    x = 260,266,196,943.77/571,583.60
  6. Step 6: Final answer
    x = 455,342.31

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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.