Home / 730,889.64-1,095,835.52-389,384.12

Finding the Fourth Proportional to 730,889.64, 1,095,835.52 and 389,384.12

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Solution

The fourth proportional to 730,889.64, 1,095,835.52 and 389,384.12 is: 583,810.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,889.64 : 1,095,835.52 = 389,384.12 : x
  2. Step 2: Convert to fraction form
    730,889.64/1,095,835.52 = 389,384.12/x
  3. Step 3: Cross multiply
    730,889.64x = 1,095,835.52 × 389,384.12
  4. Step 4: Simplify right side
    730,889.64x = 426,700,953,332.99
  5. Step 5: Solve for x
    x = 426,700,953,332.99/730,889.64
  6. Step 6: Final answer
    x = 583,810.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.