Home / 770,539.16-1,063,345.32-426,389.58

Finding the Fourth Proportional to 770,539.16, 1,063,345.32 and 426,389.58

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Solution

The fourth proportional to 770,539.16, 1,063,345.32 and 426,389.58 is: 588,418.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,539.16 : 1,063,345.32 = 426,389.58 : x
  2. Step 2: Convert to fraction form
    770,539.16/1,063,345.32 = 426,389.58/x
  3. Step 3: Cross multiply
    770,539.16x = 1,063,345.32 × 426,389.58
  4. Step 4: Simplify right side
    770,539.16x = 453,399,364,389.77
  5. Step 5: Solve for x
    x = 453,399,364,389.77/770,539.16
  6. Step 6: Final answer
    x = 588,418.33

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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.