Home / 832,510.32-1,248,763.84-643,245.72

Finding the Fourth Proportional to 832,510.32, 1,248,763.84 and 643,245.72

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Solution

The fourth proportional to 832,510.32, 1,248,763.84 and 643,245.72 is: 964,867.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,510.32 : 1,248,763.84 = 643,245.72 : x
  2. Step 2: Convert to fraction form
    832,510.32/1,248,763.84 = 643,245.72/x
  3. Step 3: Cross multiply
    832,510.32x = 1,248,763.84 × 643,245.72
  4. Step 4: Simplify right side
    832,510.32x = 803,261,995,370.77
  5. Step 5: Solve for x
    x = 803,261,995,370.77/832,510.32
  6. Step 6: Final answer
    x = 964,867.31

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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.