Home / 845,473.89-1,166,749.67-458,287.76

Finding the Fourth Proportional to 845,473.89, 1,166,749.67 and 458,287.76

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Solution

The fourth proportional to 845,473.89, 1,166,749.67 and 458,287.76 is: 632,434.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,473.89 : 1,166,749.67 = 458,287.76 : x
  2. Step 2: Convert to fraction form
    845,473.89/1,166,749.67 = 458,287.76/x
  3. Step 3: Cross multiply
    845,473.89x = 1,166,749.67 × 458,287.76
  4. Step 4: Simplify right side
    845,473.89x = 534,707,084,619.85
  5. Step 5: Solve for x
    x = 534,707,084,619.85/845,473.89
  6. Step 6: Final answer
    x = 632,434.77

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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.