Home / 907,631.40-1,361,738.70-608,449.80

Finding the Fourth Proportional to 907,631.40, 1,361,738.70 and 608,449.80

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Solution

The fourth proportional to 907,631.40, 1,361,738.70 and 608,449.80 is: 912,870.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,631.40 : 1,361,738.70 = 608,449.80 : x
  2. Step 2: Convert to fraction form
    907,631.40/1,361,738.70 = 608,449.80/x
  3. Step 3: Cross multiply
    907,631.40x = 1,361,738.70 × 608,449.80
  4. Step 4: Simplify right side
    907,631.40x = 828,549,639,667.26
  5. Step 5: Solve for x
    x = 828,549,639,667.26/907,631.40
  6. Step 6: Final answer
    x = 912,870.18

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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.