Home / 910,287.40-1,362,806.70-805,311.40

Finding the Fourth Proportional to 910,287.40, 1,362,806.70 and 805,311.40

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Solution

The fourth proportional to 910,287.40, 1,362,806.70 and 805,311.40 is: 1,205,645.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,287.40 : 1,362,806.70 = 805,311.40 : x
  2. Step 2: Convert to fraction form
    910,287.40/1,362,806.70 = 805,311.40/x
  3. Step 3: Cross multiply
    910,287.40x = 1,362,806.70 × 805,311.40
  4. Step 4: Simplify right side
    910,287.40x = 1,097,483,771,506.38
  5. Step 5: Solve for x
    x = 1,097,483,771,506.38/910,287.40
  6. Step 6: Final answer
    x = 1,205,645.35

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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.