Home / 839,427.60-1,158,376.24-457,446.16

Finding the Fourth Proportional to 839,427.60, 1,158,376.24 and 457,446.16

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Solution

The fourth proportional to 839,427.60, 1,158,376.24 and 457,446.16 is: 631,257.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,427.60 : 1,158,376.24 = 457,446.16 : x
  2. Step 2: Convert to fraction form
    839,427.60/1,158,376.24 = 457,446.16/x
  3. Step 3: Cross multiply
    839,427.60x = 1,158,376.24 × 457,446.16
  4. Step 4: Simplify right side
    839,427.60x = 529,894,762,823.24
  5. Step 5: Solve for x
    x = 529,894,762,823.24/839,427.60
  6. Step 6: Final answer
    x = 631,257.26

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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.