Home / 805,762.95-1,206,894.83-490,834.95

Finding the Fourth Proportional to 805,762.95, 1,206,894.83 and 490,834.95

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Solution

The fourth proportional to 805,762.95, 1,206,894.83 and 490,834.95 is: 735,186.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,762.95 : 1,206,894.83 = 490,834.95 : x
  2. Step 2: Convert to fraction form
    805,762.95/1,206,894.83 = 490,834.95/x
  3. Step 3: Cross multiply
    805,762.95x = 1,206,894.83 × 490,834.95
  4. Step 4: Simplify right side
    805,762.95x = 592,386,161,084.13
  5. Step 5: Solve for x
    x = 592,386,161,084.13/805,762.95
  6. Step 6: Final answer
    x = 735,186.65

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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.