Home / 790,598.07-1,186,117.02-258,151.05

Finding the Fourth Proportional to 790,598.07, 1,186,117.02 and 258,151.05

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Solution

The fourth proportional to 790,598.07, 1,186,117.02 and 258,151.05 is: 387,298.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,598.07 : 1,186,117.02 = 258,151.05 : x
  2. Step 2: Convert to fraction form
    790,598.07/1,186,117.02 = 258,151.05/x
  3. Step 3: Cross multiply
    790,598.07x = 1,186,117.02 × 258,151.05
  4. Step 4: Simplify right side
    790,598.07x = 306,197,354,135.87
  5. Step 5: Solve for x
    x = 306,197,354,135.87/790,598.07
  6. Step 6: Final answer
    x = 387,298.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.