Home / 841,062.48-1,160,625.67-478,452.21

Finding the Fourth Proportional to 841,062.48, 1,160,625.67 and 478,452.21

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Solution

The fourth proportional to 841,062.48, 1,160,625.67 and 478,452.21 is: 660,240.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,062.48 : 1,160,625.67 = 478,452.21 : x
  2. Step 2: Convert to fraction form
    841,062.48/1,160,625.67 = 478,452.21/x
  3. Step 3: Cross multiply
    841,062.48x = 1,160,625.67 × 478,452.21
  4. Step 4: Simplify right side
    841,062.48x = 555,303,916,794.23
  5. Step 5: Solve for x
    x = 555,303,916,794.23/841,062.48
  6. Step 6: Final answer
    x = 660,240.98

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1.5x scale

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.