Home / 774,934.93-1,069,423.09-426,090.07

Finding the Fourth Proportional to 774,934.93, 1,069,423.09 and 426,090.07

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Solution

The fourth proportional to 774,934.93, 1,069,423.09 and 426,090.07 is: 588,011.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,934.93 : 1,069,423.09 = 426,090.07 : x
  2. Step 2: Convert to fraction form
    774,934.93/1,069,423.09 = 426,090.07/x
  3. Step 3: Cross multiply
    774,934.93x = 1,069,423.09 × 426,090.07
  4. Step 4: Simplify right side
    774,934.93x = 455,670,555,538.93
  5. Step 5: Solve for x
    x = 455,670,555,538.93/774,934.93
  6. Step 6: Final answer
    x = 588,011.38

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Double scale
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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.