Home / 740,252.59-1,021,555.61-434,334.17

Finding the Fourth Proportional to 740,252.59, 1,021,555.61 and 434,334.17

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Solution

The fourth proportional to 740,252.59, 1,021,555.61 and 434,334.17 is: 599,385.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,252.59 : 1,021,555.61 = 434,334.17 : x
  2. Step 2: Convert to fraction form
    740,252.59/1,021,555.61 = 434,334.17/x
  3. Step 3: Cross multiply
    740,252.59x = 1,021,555.61 × 434,334.17
  4. Step 4: Simplify right side
    740,252.59x = 443,696,509,989.17
  5. Step 5: Solve for x
    x = 443,696,509,989.17/740,252.59
  6. Step 6: Final answer
    x = 599,385.29

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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.