Home / 741,715.48-1,118,132.40-692,279.87

Finding the Fourth Proportional to 741,715.48, 1,118,132.40 and 692,279.87

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Solution

The fourth proportional to 741,715.48, 1,118,132.40 and 692,279.87 is: 1,043,608.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,715.48 : 1,118,132.40 = 692,279.87 : x
  2. Step 2: Convert to fraction form
    741,715.48/1,118,132.40 = 692,279.87/x
  3. Step 3: Cross multiply
    741,715.48x = 1,118,132.40 × 692,279.87
  4. Step 4: Simplify right side
    741,715.48x = 774,060,549,520.18
  5. Step 5: Solve for x
    x = 774,060,549,520.18/741,715.48
  6. Step 6: Final answer
    x = 1,043,608.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.