Home / 742,595.67-1,114,055.28-422,898.75

Finding the Fourth Proportional to 742,595.67, 1,114,055.28 and 422,898.75

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Solution

The fourth proportional to 742,595.67, 1,114,055.28 and 422,898.75 is: 634,440.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,595.67 : 1,114,055.28 = 422,898.75 : x
  2. Step 2: Convert to fraction form
    742,595.67/1,114,055.28 = 422,898.75/x
  3. Step 3: Cross multiply
    742,595.67x = 1,114,055.28 × 422,898.75
  4. Step 4: Simplify right side
    742,595.67x = 471,132,585,342.90
  5. Step 5: Solve for x
    x = 471,132,585,342.90/742,595.67
  6. Step 6: Final answer
    x = 634,440.25

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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.