Home / 753,905.02-1,129,233.60-353,946.46

Finding the Fourth Proportional to 753,905.02, 1,129,233.60 and 353,946.46

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Solution

The fourth proportional to 753,905.02, 1,129,233.60 and 353,946.46 is: 530,157.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,905.02 : 1,129,233.60 = 353,946.46 : x
  2. Step 2: Convert to fraction form
    753,905.02/1,129,233.60 = 353,946.46/x
  3. Step 3: Cross multiply
    753,905.02x = 1,129,233.60 × 353,946.46
  4. Step 4: Simplify right side
    753,905.02x = 399,688,232,409.97
  5. Step 5: Solve for x
    x = 399,688,232,409.97/753,905.02
  6. Step 6: Final answer
    x = 530,157.28

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1.5x scale

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.