Home / 758,727.90-1,046,606.13-486,699.12

Finding the Fourth Proportional to 758,727.90, 1,046,606.13 and 486,699.12

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Solution

The fourth proportional to 758,727.90, 1,046,606.13 and 486,699.12 is: 671,363.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,727.90 : 1,046,606.13 = 486,699.12 : x
  2. Step 2: Convert to fraction form
    758,727.90/1,046,606.13 = 486,699.12/x
  3. Step 3: Cross multiply
    758,727.90x = 1,046,606.13 × 486,699.12
  4. Step 4: Simplify right side
    758,727.90x = 509,382,282,457.61
  5. Step 5: Solve for x
    x = 509,382,282,457.61/758,727.90
  6. Step 6: Final answer
    x = 671,363.58

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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.