Home / 750,498.07-1,035,674.90-406,331.25

Finding the Fourth Proportional to 750,498.07, 1,035,674.90 and 406,331.25

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Solution

The fourth proportional to 750,498.07, 1,035,674.90 and 406,331.25 is: 560,730.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,498.07 : 1,035,674.90 = 406,331.25 : x
  2. Step 2: Convert to fraction form
    750,498.07/1,035,674.90 = 406,331.25/x
  3. Step 3: Cross multiply
    750,498.07x = 1,035,674.90 × 406,331.25
  4. Step 4: Simplify right side
    750,498.07x = 420,827,076,710.63
  5. Step 5: Solve for x
    x = 420,827,076,710.63/750,498.07
  6. Step 6: Final answer
    x = 560,730.39

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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.