Home / 563,572.08-777,749.40-308,923.20

Finding the Fourth Proportional to 563,572.08, 777,749.40 and 308,923.20

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Solution

The fourth proportional to 563,572.08, 777,749.40 and 308,923.20 is: 426,324.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,572.08 : 777,749.40 = 308,923.20 : x
  2. Step 2: Convert to fraction form
    563,572.08/777,749.40 = 308,923.20/x
  3. Step 3: Cross multiply
    563,572.08x = 777,749.40 × 308,923.20
  4. Step 4: Simplify right side
    563,572.08x = 240,264,833,446.08
  5. Step 5: Solve for x
    x = 240,264,833,446.08/563,572.08
  6. Step 6: Final answer
    x = 426,324.94

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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.