Home / 896,888.61-1,237,689.57-488,993.97

Finding the Fourth Proportional to 896,888.61, 1,237,689.57 and 488,993.97

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Solution

The fourth proportional to 896,888.61, 1,237,689.57 and 488,993.97 is: 674,802.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,888.61 : 1,237,689.57 = 488,993.97 : x
  2. Step 2: Convert to fraction form
    896,888.61/1,237,689.57 = 488,993.97/x
  3. Step 3: Cross multiply
    896,888.61x = 1,237,689.57 × 488,993.97
  4. Step 4: Simplify right side
    896,888.61x = 605,222,736,461.89
  5. Step 5: Solve for x
    x = 605,222,736,461.89/896,888.61
  6. Step 6: Final answer
    x = 674,802.57

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1.5x scale

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.