Home / 742,798.89-1,113,771.06-396,154.77

Finding the Fourth Proportional to 742,798.89, 1,113,771.06 and 396,154.77

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Solution

The fourth proportional to 742,798.89, 1,113,771.06 and 396,154.77 is: 594,004.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,798.89 : 1,113,771.06 = 396,154.77 : x
  2. Step 2: Convert to fraction form
    742,798.89/1,113,771.06 = 396,154.77/x
  3. Step 3: Cross multiply
    742,798.89x = 1,113,771.06 × 396,154.77
  4. Step 4: Simplify right side
    742,798.89x = 441,225,718,106.96
  5. Step 5: Solve for x
    x = 441,225,718,106.96/742,798.89
  6. Step 6: Final answer
    x = 594,004.28

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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.