Home / 845,475.85-1,166,766.29-482,947.93

Finding the Fourth Proportional to 845,475.85, 1,166,766.29 and 482,947.93

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Solution

The fourth proportional to 845,475.85, 1,166,766.29 and 482,947.93 is: 666,473.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,475.85 : 1,166,766.29 = 482,947.93 : x
  2. Step 2: Convert to fraction form
    845,475.85/1,166,766.29 = 482,947.93/x
  3. Step 3: Cross multiply
    845,475.85x = 1,166,766.29 × 482,947.93
  4. Step 4: Simplify right side
    845,475.85x = 563,487,364,549.28
  5. Step 5: Solve for x
    x = 563,487,364,549.28/845,475.85
  6. Step 6: Final answer
    x = 666,473.64

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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.