Home / 887,043.80-1,330,798.98-460,607.96

Finding the Fourth Proportional to 887,043.80, 1,330,798.98 and 460,607.96

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Solution

The fourth proportional to 887,043.80, 1,330,798.98 and 460,607.96 is: 691,033.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,043.80 : 1,330,798.98 = 460,607.96 : x
  2. Step 2: Convert to fraction form
    887,043.80/1,330,798.98 = 460,607.96/x
  3. Step 3: Cross multiply
    887,043.80x = 1,330,798.98 × 460,607.96
  4. Step 4: Simplify right side
    887,043.80x = 612,976,603,347.88
  5. Step 5: Solve for x
    x = 612,976,603,347.88/887,043.80
  6. Step 6: Final answer
    x = 691,033.07

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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.