Home / 849,237.83-1,171,980.45-486,731.64

Finding the Fourth Proportional to 849,237.83, 1,171,980.45 and 486,731.64

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Solution

The fourth proportional to 849,237.83, 1,171,980.45 and 486,731.64 is: 671,708.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,237.83 : 1,171,980.45 = 486,731.64 : x
  2. Step 2: Convert to fraction form
    849,237.83/1,171,980.45 = 486,731.64/x
  3. Step 3: Cross multiply
    849,237.83x = 1,171,980.45 × 486,731.64
  4. Step 4: Simplify right side
    849,237.83x = 570,439,966,476.44
  5. Step 5: Solve for x
    x = 570,439,966,476.44/849,237.83
  6. Step 6: Final answer
    x = 671,708.15

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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.