Home / 763,585.73-1,053,719.45-424,075.85

Finding the Fourth Proportional to 763,585.73, 1,053,719.45 and 424,075.85

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Solution

The fourth proportional to 763,585.73, 1,053,719.45 and 424,075.85 is: 585,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,585.73 : 1,053,719.45 = 424,075.85 : x
  2. Step 2: Convert to fraction form
    763,585.73/1,053,719.45 = 424,075.85/x
  3. Step 3: Cross multiply
    763,585.73x = 1,053,719.45 × 424,075.85
  4. Step 4: Simplify right side
    763,585.73x = 446,856,971,420.28
  5. Step 5: Solve for x
    x = 446,856,971,420.28/763,585.73
  6. Step 6: Final answer
    x = 585,208.65

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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.