Home / 763,340.85-1,053,369.23-423,787.23

Finding the Fourth Proportional to 763,340.85, 1,053,369.23 and 423,787.23

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Solution

The fourth proportional to 763,340.85, 1,053,369.23 and 423,787.23 is: 584,803.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,340.85 : 1,053,369.23 = 423,787.23 : x
  2. Step 2: Convert to fraction form
    763,340.85/1,053,369.23 = 423,787.23/x
  3. Step 3: Cross multiply
    763,340.85x = 1,053,369.23 × 423,787.23
  4. Step 4: Simplify right side
    763,340.85x = 446,404,426,030.00
  5. Step 5: Solve for x
    x = 446,404,426,030.00/763,340.85
  6. Step 6: Final answer
    x = 584,803.53

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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.