Home / 730,607.52-1,095,721.20-309,666.72

Finding the Fourth Proportional to 730,607.52, 1,095,721.20 and 309,666.72

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Solution

The fourth proportional to 730,607.52, 1,095,721.20 and 309,666.72 is: 464,419.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,607.52 : 1,095,721.20 = 309,666.72 : x
  2. Step 2: Convert to fraction form
    730,607.52/1,095,721.20 = 309,666.72/x
  3. Step 3: Cross multiply
    730,607.52x = 1,095,721.20 × 309,666.72
  4. Step 4: Simplify right side
    730,607.52x = 339,308,390,038.46
  5. Step 5: Solve for x
    x = 339,308,390,038.46/730,607.52
  6. Step 6: Final answer
    x = 464,419.51

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1.5x scale

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.