Home / 450,390.08-621,528.72-246,440.18

Finding the Fourth Proportional to 450,390.08, 621,528.72 and 246,440.18

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Solution

The fourth proportional to 450,390.08, 621,528.72 and 246,440.18 is: 340,082.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,390.08 : 621,528.72 = 246,440.18 : x
  2. Step 2: Convert to fraction form
    450,390.08/621,528.72 = 246,440.18/x
  3. Step 3: Cross multiply
    450,390.08x = 621,528.72 × 246,440.18
  4. Step 4: Simplify right side
    450,390.08x = 153,169,649,631.97
  5. Step 5: Solve for x
    x = 153,169,649,631.97/450,390.08
  6. Step 6: Final answer
    x = 340,082.20

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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.