Home / 896,315.76-1,236,899.61-488,421.06

Finding the Fourth Proportional to 896,315.76, 1,236,899.61 and 488,421.06

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Solution

The fourth proportional to 896,315.76, 1,236,899.61 and 488,421.06 is: 674,012.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,315.76 : 1,236,899.61 = 488,421.06 : x
  2. Step 2: Convert to fraction form
    896,315.76/1,236,899.61 = 488,421.06/x
  3. Step 3: Cross multiply
    896,315.76x = 1,236,899.61 × 488,421.06
  4. Step 4: Simplify right side
    896,315.76x = 604,127,818,629.79
  5. Step 5: Solve for x
    x = 604,127,818,629.79/896,315.76
  6. Step 6: Final answer
    x = 674,012.27

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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.