Home / 753,630.64-1,130,445.94-353,978.24

Finding the Fourth Proportional to 753,630.64, 1,130,445.94 and 353,978.24

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Solution

The fourth proportional to 753,630.64, 1,130,445.94 and 353,978.24 is: 530,967.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,630.64 : 1,130,445.94 = 353,978.24 : x
  2. Step 2: Convert to fraction form
    753,630.64/1,130,445.94 = 353,978.24/x
  3. Step 3: Cross multiply
    753,630.64x = 1,130,445.94 × 353,978.24
  4. Step 4: Simplify right side
    753,630.64x = 400,153,264,256.35
  5. Step 5: Solve for x
    x = 400,153,264,256.35/753,630.64
  6. Step 6: Final answer
    x = 530,967.35

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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.