Home / 633,139.28-873,698.66-346,604.24

Finding the Fourth Proportional to 633,139.28, 873,698.66 and 346,604.24

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Solution

The fourth proportional to 633,139.28, 873,698.66 and 346,604.24 is: 478,295.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,139.28 : 873,698.66 = 346,604.24 : x
  2. Step 2: Convert to fraction form
    633,139.28/873,698.66 = 346,604.24/x
  3. Step 3: Cross multiply
    633,139.28x = 873,698.66 × 346,604.24
  4. Step 4: Simplify right side
    633,139.28x = 302,827,660,038.32
  5. Step 5: Solve for x
    x = 302,827,660,038.32/633,139.28
  6. Step 6: Final answer
    x = 478,295.49

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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.