Home / 830,414.50-1,246,151.58-297,923.74

Finding the Fourth Proportional to 830,414.50, 1,246,151.58 and 297,923.74

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Solution

The fourth proportional to 830,414.50, 1,246,151.58 and 297,923.74 is: 447,075.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,414.50 : 1,246,151.58 = 297,923.74 : x
  2. Step 2: Convert to fraction form
    830,414.50/1,246,151.58 = 297,923.74/x
  3. Step 3: Cross multiply
    830,414.50x = 1,246,151.58 × 297,923.74
  4. Step 4: Simplify right side
    830,414.50x = 371,258,139,320.51
  5. Step 5: Solve for x
    x = 371,258,139,320.51/830,414.50
  6. Step 6: Final answer
    x = 447,075.69

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Double scale
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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.