Home / 879,244.88-1,213,357.93-497,263.46

Finding the Fourth Proportional to 879,244.88, 1,213,357.93 and 497,263.46

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Solution

The fourth proportional to 879,244.88, 1,213,357.93 and 497,263.46 is: 686,223.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,244.88 : 1,213,357.93 = 497,263.46 : x
  2. Step 2: Convert to fraction form
    879,244.88/1,213,357.93 = 497,263.46/x
  3. Step 3: Cross multiply
    879,244.88x = 1,213,357.93 × 497,263.46
  4. Step 4: Simplify right side
    879,244.88x = 603,358,555,180.29
  5. Step 5: Solve for x
    x = 603,358,555,180.29/879,244.88
  6. Step 6: Final answer
    x = 686,223.57

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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.