Home / 486,873.12-671,880.36-272,050.20

Finding the Fourth Proportional to 486,873.12, 671,880.36 and 272,050.20

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Solution

The fourth proportional to 486,873.12, 671,880.36 and 272,050.20 is: 375,426.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,873.12 : 671,880.36 = 272,050.20 : x
  2. Step 2: Convert to fraction form
    486,873.12/671,880.36 = 272,050.20/x
  3. Step 3: Cross multiply
    486,873.12x = 671,880.36 × 272,050.20
  4. Step 4: Simplify right side
    486,873.12x = 182,785,186,314.07
  5. Step 5: Solve for x
    x = 182,785,186,314.07/486,873.12
  6. Step 6: Final answer
    x = 375,426.74

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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.