Home / 742,567.42-1,114,013.04-422,870.32

Finding the Fourth Proportional to 742,567.42, 1,114,013.04 and 422,870.32

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Solution

The fourth proportional to 742,567.42, 1,114,013.04 and 422,870.32 is: 634,397.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,567.42 : 1,114,013.04 = 422,870.32 : x
  2. Step 2: Convert to fraction form
    742,567.42/1,114,013.04 = 422,870.32/x
  3. Step 3: Cross multiply
    742,567.42x = 1,114,013.04 × 422,870.32
  4. Step 4: Simplify right side
    742,567.42x = 471,083,050,708.97
  5. Step 5: Solve for x
    x = 471,083,050,708.97/742,567.42
  6. Step 6: Final answer
    x = 634,397.68

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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.