Home / 528,280.10-793,003.35-328,825.70

Finding the Fourth Proportional to 528,280.10, 793,003.35 and 328,825.70

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Solution

The fourth proportional to 528,280.10, 793,003.35 and 328,825.70 is: 493,601.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,280.10 : 793,003.35 = 328,825.70 : x
  2. Step 2: Convert to fraction form
    528,280.10/793,003.35 = 328,825.70/x
  3. Step 3: Cross multiply
    528,280.10x = 793,003.35 × 328,825.70
  4. Step 4: Simplify right side
    528,280.10x = 260,759,881,666.10
  5. Step 5: Solve for x
    x = 260,759,881,666.10/528,280.10
  6. Step 6: Final answer
    x = 493,601.56

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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.