Home / 747,130.68-1,031,038.07-407,596.50

Finding the Fourth Proportional to 747,130.68, 1,031,038.07 and 407,596.50

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Solution

The fourth proportional to 747,130.68, 1,031,038.07 and 407,596.50 is: 562,481.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,130.68 : 1,031,038.07 = 407,596.50 : x
  2. Step 2: Convert to fraction form
    747,130.68/1,031,038.07 = 407,596.50/x
  3. Step 3: Cross multiply
    747,130.68x = 1,031,038.07 × 407,596.50
  4. Step 4: Simplify right side
    747,130.68x = 420,247,506,660.77
  5. Step 5: Solve for x
    x = 420,247,506,660.77/747,130.68
  6. Step 6: Final answer
    x = 562,481.93

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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.