Home / 877,798.13-1,211,460.03-495,849.51

Finding the Fourth Proportional to 877,798.13, 1,211,460.03 and 495,849.51

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Solution

The fourth proportional to 877,798.13, 1,211,460.03 and 495,849.51 is: 684,328.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,798.13 : 1,211,460.03 = 495,849.51 : x
  2. Step 2: Convert to fraction form
    877,798.13/1,211,460.03 = 495,849.51/x
  3. Step 3: Cross multiply
    877,798.13x = 1,211,460.03 × 495,849.51
  4. Step 4: Simplify right side
    877,798.13x = 600,701,862,260.09
  5. Step 5: Solve for x
    x = 600,701,862,260.09/877,798.13
  6. Step 6: Final answer
    x = 684,328.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.