Home / 971,338.10-1,457,007.15-617,918.90

Finding the Fourth Proportional to 971,338.10, 1,457,007.15 and 617,918.90

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Solution

The fourth proportional to 971,338.10, 1,457,007.15 and 617,918.90 is: 926,878.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,338.10 : 1,457,007.15 = 617,918.90 : x
  2. Step 2: Convert to fraction form
    971,338.10/1,457,007.15 = 617,918.90/x
  3. Step 3: Cross multiply
    971,338.10x = 1,457,007.15 × 617,918.90
  4. Step 4: Simplify right side
    971,338.10x = 900,312,255,420.14
  5. Step 5: Solve for x
    x = 900,312,255,420.14/971,338.10
  6. Step 6: Final answer
    x = 926,878.35

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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.