Home / 434,526.54-651,839.01-389,878.93

Finding the Fourth Proportional to 434,526.54, 651,839.01 and 389,878.93

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Solution

The fourth proportional to 434,526.54, 651,839.01 and 389,878.93 is: 584,862.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,526.54 : 651,839.01 = 389,878.93 : x
  2. Step 2: Convert to fraction form
    434,526.54/651,839.01 = 389,878.93/x
  3. Step 3: Cross multiply
    434,526.54x = 651,839.01 × 389,878.93
  4. Step 4: Simplify right side
    434,526.54x = 254,138,295,751.06
  5. Step 5: Solve for x
    x = 254,138,295,751.06/434,526.54
  6. Step 6: Final answer
    x = 584,862.55

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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.