Home / 902,070.24-1,352,988.68-429,056.16

Finding the Fourth Proportional to 902,070.24, 1,352,988.68 and 429,056.16

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Solution

The fourth proportional to 902,070.24, 1,352,988.68 and 429,056.16 is: 643,528.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,070.24 : 1,352,988.68 = 429,056.16 : x
  2. Step 2: Convert to fraction form
    902,070.24/1,352,988.68 = 429,056.16/x
  3. Step 3: Cross multiply
    902,070.24x = 1,352,988.68 × 429,056.16
  4. Step 4: Simplify right side
    902,070.24x = 580,508,127,564.27
  5. Step 5: Solve for x
    x = 580,508,127,564.27/902,070.24
  6. Step 6: Final answer
    x = 643,528.74

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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.