Home / 757,427.34-1,045,300.95-435,265.86

Finding the Fourth Proportional to 757,427.34, 1,045,300.95 and 435,265.86

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Solution

The fourth proportional to 757,427.34, 1,045,300.95 and 435,265.86 is: 600,696.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,427.34 : 1,045,300.95 = 435,265.86 : x
  2. Step 2: Convert to fraction form
    757,427.34/1,045,300.95 = 435,265.86/x
  3. Step 3: Cross multiply
    757,427.34x = 1,045,300.95 × 435,265.86
  4. Step 4: Simplify right side
    757,427.34x = 454,983,816,960.57
  5. Step 5: Solve for x
    x = 454,983,816,960.57/757,427.34
  6. Step 6: Final answer
    x = 600,696.32

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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.