Home / 767,763.72-1,059,510.95-423,621.07

Finding the Fourth Proportional to 767,763.72, 1,059,510.95 and 423,621.07

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Solution

The fourth proportional to 767,763.72, 1,059,510.95 and 423,621.07 is: 584,595.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,763.72 : 1,059,510.95 = 423,621.07 : x
  2. Step 2: Convert to fraction form
    767,763.72/1,059,510.95 = 423,621.07/x
  3. Step 3: Cross multiply
    767,763.72x = 1,059,510.95 × 423,621.07
  4. Step 4: Simplify right side
    767,763.72x = 448,831,162,315.72
  5. Step 5: Solve for x
    x = 448,831,162,315.72/767,763.72
  6. Step 6: Final answer
    x = 584,595.43

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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.