Home / 880,421.04-1,214,980.96-478,013.04

Finding the Fourth Proportional to 880,421.04, 1,214,980.96 and 478,013.04

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Solution

The fourth proportional to 880,421.04, 1,214,980.96 and 478,013.04 is: 659,657.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,421.04 : 1,214,980.96 = 478,013.04 : x
  2. Step 2: Convert to fraction form
    880,421.04/1,214,980.96 = 478,013.04/x
  3. Step 3: Cross multiply
    880,421.04x = 1,214,980.96 × 478,013.04
  4. Step 4: Simplify right side
    880,421.04x = 580,776,742,231.72
  5. Step 5: Solve for x
    x = 580,776,742,231.72/880,421.04
  6. Step 6: Final answer
    x = 659,657.95

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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.