Home / 897,221.52-1,345,967.10-289,807.02

Finding the Fourth Proportional to 897,221.52, 1,345,967.10 and 289,807.02

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Solution

The fourth proportional to 897,221.52, 1,345,967.10 and 289,807.02 is: 434,754.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,221.52 : 1,345,967.10 = 289,807.02 : x
  2. Step 2: Convert to fraction form
    897,221.52/1,345,967.10 = 289,807.02/x
  3. Step 3: Cross multiply
    897,221.52x = 1,345,967.10 × 289,807.02
  4. Step 4: Simplify right side
    897,221.52x = 390,070,714,269.04
  5. Step 5: Solve for x
    x = 390,070,714,269.04/897,221.52
  6. Step 6: Final answer
    x = 434,754.08

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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.