Home / 788,124.18-1,087,411.17-482,088.78

Finding the Fourth Proportional to 788,124.18, 1,087,411.17 and 482,088.78

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Solution

The fourth proportional to 788,124.18, 1,087,411.17 and 482,088.78 is: 665,160.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,124.18 : 1,087,411.17 = 482,088.78 : x
  2. Step 2: Convert to fraction form
    788,124.18/1,087,411.17 = 482,088.78/x
  3. Step 3: Cross multiply
    788,124.18x = 1,087,411.17 × 482,088.78
  4. Step 4: Simplify right side
    788,124.18x = 524,228,724,303.67
  5. Step 5: Solve for x
    x = 524,228,724,303.67/788,124.18
  6. Step 6: Final answer
    x = 665,160.06

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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.