Home / 747,482.16-1,031,166.72-489,245.46

Finding the Fourth Proportional to 747,482.16, 1,031,166.72 and 489,245.46

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Solution

The fourth proportional to 747,482.16, 1,031,166.72 and 489,245.46 is: 674,923.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,482.16 : 1,031,166.72 = 489,245.46 : x
  2. Step 2: Convert to fraction form
    747,482.16/1,031,166.72 = 489,245.46/x
  3. Step 3: Cross multiply
    747,482.16x = 1,031,166.72 × 489,245.46
  4. Step 4: Simplify right side
    747,482.16x = 504,493,636,263.09
  5. Step 5: Solve for x
    x = 504,493,636,263.09/747,482.16
  6. Step 6: Final answer
    x = 674,923.98

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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.