Home / 806,931.04-1,209,263.72-637,707.44

Finding the Fourth Proportional to 806,931.04, 1,209,263.72 and 637,707.44

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Solution

The fourth proportional to 806,931.04, 1,209,263.72 and 637,707.44 is: 955,665.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,931.04 : 1,209,263.72 = 637,707.44 : x
  2. Step 2: Convert to fraction form
    806,931.04/1,209,263.72 = 637,707.44/x
  3. Step 3: Cross multiply
    806,931.04x = 1,209,263.72 × 637,707.44
  4. Step 4: Simplify right side
    806,931.04x = 771,156,471,166.08
  5. Step 5: Solve for x
    x = 771,156,471,166.08/806,931.04
  6. Step 6: Final answer
    x = 955,665.89

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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.