Home / 646,210.55-891,890.14-374,278.37

Finding the Fourth Proportional to 646,210.55, 891,890.14 and 374,278.37

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Solution

The fourth proportional to 646,210.55, 891,890.14 and 374,278.37 is: 516,573.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,210.55 : 891,890.14 = 374,278.37 : x
  2. Step 2: Convert to fraction form
    646,210.55/891,890.14 = 374,278.37/x
  3. Step 3: Cross multiply
    646,210.55x = 891,890.14 × 374,278.37
  4. Step 4: Simplify right side
    646,210.55x = 333,815,187,818.27
  5. Step 5: Solve for x
    x = 333,815,187,818.27/646,210.55
  6. Step 6: Final answer
    x = 516,573.41

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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.