Home / 890,573.74-1,335,827.80-385,261.92

Finding the Fourth Proportional to 890,573.74, 1,335,827.80 and 385,261.92

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Solution

The fourth proportional to 890,573.74, 1,335,827.80 and 385,261.92 is: 577,878.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,573.74 : 1,335,827.80 = 385,261.92 : x
  2. Step 2: Convert to fraction form
    890,573.74/1,335,827.80 = 385,261.92/x
  3. Step 3: Cross multiply
    890,573.74x = 1,335,827.80 × 385,261.92
  4. Step 4: Simplify right side
    890,573.74x = 514,643,583,498.95
  5. Step 5: Solve for x
    x = 514,643,583,498.95/890,573.74
  6. Step 6: Final answer
    x = 577,878.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.