Home / 877,814.64-1,211,482.80-495,866.04

Finding the Fourth Proportional to 877,814.64, 1,211,482.80 and 495,866.04

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Solution

The fourth proportional to 877,814.64, 1,211,482.80 and 495,866.04 is: 684,350.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,814.64 : 1,211,482.80 = 495,866.04 : x
  2. Step 2: Convert to fraction form
    877,814.64/1,211,482.80 = 495,866.04/x
  3. Step 3: Cross multiply
    877,814.64x = 1,211,482.80 × 495,866.04
  4. Step 4: Simplify right side
    877,814.64x = 600,733,178,564.11
  5. Step 5: Solve for x
    x = 600,733,178,564.11/877,814.64
  6. Step 6: Final answer
    x = 684,350.83

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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.