Home / 798,075.76-1,195,206.72-442,207.12

Finding the Fourth Proportional to 798,075.76, 1,195,206.72 and 442,207.12

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Solution

The fourth proportional to 798,075.76, 1,195,206.72 and 442,207.12 is: 662,254.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,075.76 : 1,195,206.72 = 442,207.12 : x
  2. Step 2: Convert to fraction form
    798,075.76/1,195,206.72 = 442,207.12/x
  3. Step 3: Cross multiply
    798,075.76x = 1,195,206.72 × 442,207.12
  4. Step 4: Simplify right side
    798,075.76x = 528,528,921,455.85
  5. Step 5: Solve for x
    x = 528,528,921,455.85/798,075.76
  6. Step 6: Final answer
    x = 662,254.07

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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.