Home / 730,557.02-1,008,172.42-408,272.50

Finding the Fourth Proportional to 730,557.02, 1,008,172.42 and 408,272.50

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Solution

The fourth proportional to 730,557.02, 1,008,172.42 and 408,272.50 is: 563,418.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,557.02 : 1,008,172.42 = 408,272.50 : x
  2. Step 2: Convert to fraction form
    730,557.02/1,008,172.42 = 408,272.50/x
  3. Step 3: Cross multiply
    730,557.02x = 1,008,172.42 × 408,272.50
  4. Step 4: Simplify right side
    730,557.02x = 411,609,076,880.52
  5. Step 5: Solve for x
    x = 411,609,076,880.52/730,557.02
  6. Step 6: Final answer
    x = 563,418.14

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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.