Home / 724,946.74-1,000,398.67-402,677.44

Finding the Fourth Proportional to 724,946.74, 1,000,398.67 and 402,677.44

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Solution

The fourth proportional to 724,946.74, 1,000,398.67 and 402,677.44 is: 555,679.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,946.74 : 1,000,398.67 = 402,677.44 : x
  2. Step 2: Convert to fraction form
    724,946.74/1,000,398.67 = 402,677.44/x
  3. Step 3: Cross multiply
    724,946.74x = 1,000,398.67 × 402,677.44
  4. Step 4: Simplify right side
    724,946.74x = 402,837,975,415.01
  5. Step 5: Solve for x
    x = 402,837,975,415.01/724,946.74
  6. Step 6: Final answer
    x = 555,679.41

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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.