Home / 756,790.90-1,044,378.48-417,271.22

Finding the Fourth Proportional to 756,790.90, 1,044,378.48 and 417,271.22

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Solution

The fourth proportional to 756,790.90, 1,044,378.48 and 417,271.22 is: 575,838.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,790.90 : 1,044,378.48 = 417,271.22 : x
  2. Step 2: Convert to fraction form
    756,790.90/1,044,378.48 = 417,271.22/x
  3. Step 3: Cross multiply
    756,790.90x = 1,044,378.48 × 417,271.22
  4. Step 4: Simplify right side
    756,790.90x = 435,789,077,269.45
  5. Step 5: Solve for x
    x = 435,789,077,269.45/756,790.90
  6. Step 6: Final answer
    x = 575,838.16

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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.