Home / 945,431.96-1,304,643.60-537,477.18

Finding the Fourth Proportional to 945,431.96, 1,304,643.60 and 537,477.18

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Solution

The fourth proportional to 945,431.96, 1,304,643.60 and 537,477.18 is: 741,688.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,431.96 : 1,304,643.60 = 537,477.18 : x
  2. Step 2: Convert to fraction form
    945,431.96/1,304,643.60 = 537,477.18/x
  3. Step 3: Cross multiply
    945,431.96x = 1,304,643.60 × 537,477.18
  4. Step 4: Simplify right side
    945,431.96x = 701,216,163,033.05
  5. Step 5: Solve for x
    x = 701,216,163,033.05/945,431.96
  6. Step 6: Final answer
    x = 741,688.66

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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.