Home / 729,973.86-1,007,343.45-407,674.50

Finding the Fourth Proportional to 729,973.86, 1,007,343.45 and 407,674.50

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Solution

The fourth proportional to 729,973.86, 1,007,343.45 and 407,674.50 is: 562,579.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,973.86 : 1,007,343.45 = 407,674.50 : x
  2. Step 2: Convert to fraction form
    729,973.86/1,007,343.45 = 407,674.50/x
  3. Step 3: Cross multiply
    729,973.86x = 1,007,343.45 × 407,674.50
  4. Step 4: Simplify right side
    729,973.86x = 410,668,237,307.03
  5. Step 5: Solve for x
    x = 410,668,237,307.03/729,973.86
  6. Step 6: Final answer
    x = 562,579.37

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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.