Home / 727,913.40-1,091,870.10-460,880.70

Finding the Fourth Proportional to 727,913.40, 1,091,870.10 and 460,880.70

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Solution

The fourth proportional to 727,913.40, 1,091,870.10 and 460,880.70 is: 691,321.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,913.40 : 1,091,870.10 = 460,880.70 : x
  2. Step 2: Convert to fraction form
    727,913.40/1,091,870.10 = 460,880.70/x
  3. Step 3: Cross multiply
    727,913.40x = 1,091,870.10 × 460,880.70
  4. Step 4: Simplify right side
    727,913.40x = 503,221,855,997.07
  5. Step 5: Solve for x
    x = 503,221,855,997.07/727,913.40
  6. Step 6: Final answer
    x = 691,321.05

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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.