Home / 790,730.59-1,091,405.05-451,395.67

Finding the Fourth Proportional to 790,730.59, 1,091,405.05 and 451,395.67

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Solution

The fourth proportional to 790,730.59, 1,091,405.05 and 451,395.67 is: 623,038.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,730.59 : 1,091,405.05 = 451,395.67 : x
  2. Step 2: Convert to fraction form
    790,730.59/1,091,405.05 = 451,395.67/x
  3. Step 3: Cross multiply
    790,730.59x = 1,091,405.05 × 451,395.67
  4. Step 4: Simplify right side
    790,730.59x = 492,655,513,786.13
  5. Step 5: Solve for x
    x = 492,655,513,786.13/790,730.59
  6. Step 6: Final answer
    x = 623,038.39

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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.