Home / 616,947.36-851,381.40-345,012.16

Finding the Fourth Proportional to 616,947.36, 851,381.40 and 345,012.16

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Solution

The fourth proportional to 616,947.36, 851,381.40 and 345,012.16 is: 476,113.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,947.36 : 851,381.40 = 345,012.16 : x
  2. Step 2: Convert to fraction form
    616,947.36/851,381.40 = 345,012.16/x
  3. Step 3: Cross multiply
    616,947.36x = 851,381.40 × 345,012.16
  4. Step 4: Simplify right side
    616,947.36x = 293,736,935,797.82
  5. Step 5: Solve for x
    x = 293,736,935,797.82/616,947.36
  6. Step 6: Final answer
    x = 476,113.45

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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.