Home / 767,526.47-1,059,203.48-423,372.86

Finding the Fourth Proportional to 767,526.47, 1,059,203.48 and 423,372.86

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Solution

The fourth proportional to 767,526.47, 1,059,203.48 and 423,372.86 is: 584,263.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,526.47 : 1,059,203.48 = 423,372.86 : x
  2. Step 2: Convert to fraction form
    767,526.47/1,059,203.48 = 423,372.86/x
  3. Step 3: Cross multiply
    767,526.47x = 1,059,203.48 × 423,372.86
  4. Step 4: Simplify right side
    767,526.47x = 448,437,999,236.67
  5. Step 5: Solve for x
    x = 448,437,999,236.67/767,526.47
  6. Step 6: Final answer
    x = 584,263.89

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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.