Home / 703,987.06-971,636.08-417,665.02

Finding the Fourth Proportional to 703,987.06, 971,636.08 and 417,665.02

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Solution

The fourth proportional to 703,987.06, 971,636.08 and 417,665.02 is: 576,457.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,987.06 : 971,636.08 = 417,665.02 : x
  2. Step 2: Convert to fraction form
    703,987.06/971,636.08 = 417,665.02/x
  3. Step 3: Cross multiply
    703,987.06x = 971,636.08 × 417,665.02
  4. Step 4: Simplify right side
    703,987.06x = 405,818,397,927.74
  5. Step 5: Solve for x
    x = 405,818,397,927.74/703,987.06
  6. Step 6: Final answer
    x = 576,457.19

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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.