Home / 845,089.49-1,166,221.58-457,915.47

Finding the Fourth Proportional to 845,089.49, 1,166,221.58 and 457,915.47

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Solution

The fourth proportional to 845,089.49, 1,166,221.58 and 457,915.47 is: 631,922.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,089.49 : 1,166,221.58 = 457,915.47 : x
  2. Step 2: Convert to fraction form
    845,089.49/1,166,221.58 = 457,915.47/x
  3. Step 3: Cross multiply
    845,089.49x = 1,166,221.58 × 457,915.47
  4. Step 4: Simplify right side
    845,089.49x = 534,030,900,640.27
  5. Step 5: Solve for x
    x = 534,030,900,640.27/845,089.49
  6. Step 6: Final answer
    x = 631,922.31

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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.