Home / 849,347.00-1,172,147.36-486,831.26

Finding the Fourth Proportional to 849,347.00, 1,172,147.36 and 486,831.26

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Solution

The fourth proportional to 849,347.00, 1,172,147.36 and 486,831.26 is: 671,854.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,347.00 : 1,172,147.36 = 486,831.26 : x
  2. Step 2: Convert to fraction form
    849,347.00/1,172,147.36 = 486,831.26/x
  3. Step 3: Cross multiply
    849,347.00x = 1,172,147.36 × 486,831.26
  4. Step 4: Simplify right side
    849,347.00x = 570,637,976,670.69
  5. Step 5: Solve for x
    x = 570,637,976,670.69/849,347.00
  6. Step 6: Final answer
    x = 671,854.94

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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.