Home / 907,203.74-1,251,941.27-493,742.07

Finding the Fourth Proportional to 907,203.74, 1,251,941.27 and 493,742.07

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Solution

The fourth proportional to 907,203.74, 1,251,941.27 and 493,742.07 is: 681,364.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,203.74 : 1,251,941.27 = 493,742.07 : x
  2. Step 2: Convert to fraction form
    907,203.74/1,251,941.27 = 493,742.07/x
  3. Step 3: Cross multiply
    907,203.74x = 1,251,941.27 × 493,742.07
  4. Step 4: Simplify right side
    907,203.74x = 618,136,071,699.52
  5. Step 5: Solve for x
    x = 618,136,071,699.52/907,203.74
  6. Step 6: Final answer
    x = 681,364.12

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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.