Home / 450,276.37-621,386.29-246,322.90

Finding the Fourth Proportional to 450,276.37, 621,386.29 and 246,322.90

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Solution

The fourth proportional to 450,276.37, 621,386.29 and 246,322.90 is: 339,928.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,276.37 : 621,386.29 = 246,322.90 : x
  2. Step 2: Convert to fraction form
    450,276.37/621,386.29 = 246,322.90/x
  3. Step 3: Cross multiply
    450,276.37x = 621,386.29 × 246,322.90
  4. Step 4: Simplify right side
    450,276.37x = 153,061,671,741.43
  5. Step 5: Solve for x
    x = 153,061,671,741.43/450,276.37
  6. Step 6: Final answer
    x = 339,928.28

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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.