Home / 545,541.46-753,191.90-402,051.58

Finding the Fourth Proportional to 545,541.46, 753,191.90 and 402,051.58

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Solution

The fourth proportional to 545,541.46, 753,191.90 and 402,051.58 is: 555,085.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,541.46 : 753,191.90 = 402,051.58 : x
  2. Step 2: Convert to fraction form
    545,541.46/753,191.90 = 402,051.58/x
  3. Step 3: Cross multiply
    545,541.46x = 753,191.90 × 402,051.58
  4. Step 4: Simplify right side
    545,541.46x = 302,821,995,289.36
  5. Step 5: Solve for x
    x = 302,821,995,289.36/545,541.46
  6. Step 6: Final answer
    x = 555,085.21

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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.