Home / 703,339.61-1,053,740.95-432,997.25

Finding the Fourth Proportional to 703,339.61, 1,053,740.95 and 432,997.25

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Solution

The fourth proportional to 703,339.61, 1,053,740.95 and 432,997.25 is: 648,714.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,339.61 : 1,053,740.95 = 432,997.25 : x
  2. Step 2: Convert to fraction form
    703,339.61/1,053,740.95 = 432,997.25/x
  3. Step 3: Cross multiply
    703,339.61x = 1,053,740.95 × 432,997.25
  4. Step 4: Simplify right side
    703,339.61x = 456,266,927,211.19
  5. Step 5: Solve for x
    x = 456,266,927,211.19/703,339.61
  6. Step 6: Final answer
    x = 648,714.96

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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.