Home / 759,543.57-1,048,177.13-420,017.49

Finding the Fourth Proportional to 759,543.57, 1,048,177.13 and 420,017.49

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Solution

The fourth proportional to 759,543.57, 1,048,177.13 and 420,017.49 is: 579,628.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,543.57 : 1,048,177.13 = 420,017.49 : x
  2. Step 2: Convert to fraction form
    759,543.57/1,048,177.13 = 420,017.49/x
  3. Step 3: Cross multiply
    759,543.57x = 1,048,177.13 × 420,017.49
  4. Step 4: Simplify right side
    759,543.57x = 440,252,725,117.92
  5. Step 5: Solve for x
    x = 440,252,725,117.92/759,543.57
  6. Step 6: Final answer
    x = 579,628.01

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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.