Home / 717,746.77-1,075,604.57-398,039.27

Finding the Fourth Proportional to 717,746.77, 1,075,604.57 and 398,039.27

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Solution

The fourth proportional to 717,746.77, 1,075,604.57 and 398,039.27 is: 596,495.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,746.77 : 1,075,604.57 = 398,039.27 : x
  2. Step 2: Convert to fraction form
    717,746.77/1,075,604.57 = 398,039.27/x
  3. Step 3: Cross multiply
    717,746.77x = 1,075,604.57 × 398,039.27
  4. Step 4: Simplify right side
    717,746.77x = 428,132,851,975.89
  5. Step 5: Solve for x
    x = 428,132,851,975.89/717,746.77
  6. Step 6: Final answer
    x = 596,495.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.