Home / 788,647.07-1,088,333.46-426,070.71

Finding the Fourth Proportional to 788,647.07, 1,088,333.46 and 426,070.71

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Solution

The fourth proportional to 788,647.07, 1,088,333.46 and 426,070.71 is: 587,977.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,647.07 : 1,088,333.46 = 426,070.71 : x
  2. Step 2: Convert to fraction form
    788,647.07/1,088,333.46 = 426,070.71/x
  3. Step 3: Cross multiply
    788,647.07x = 1,088,333.46 × 426,070.71
  4. Step 4: Simplify right side
    788,647.07x = 463,707,010,018.96
  5. Step 5: Solve for x
    x = 463,707,010,018.96/788,647.07
  6. Step 6: Final answer
    x = 587,977.86

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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.