Home / 688,444.03-1,032,421.69-201,990.41

Finding the Fourth Proportional to 688,444.03, 1,032,421.69 and 201,990.41

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Solution

The fourth proportional to 688,444.03, 1,032,421.69 and 201,990.41 is: 302,913.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,444.03 : 1,032,421.69 = 201,990.41 : x
  2. Step 2: Convert to fraction form
    688,444.03/1,032,421.69 = 201,990.41/x
  3. Step 3: Cross multiply
    688,444.03x = 1,032,421.69 × 201,990.41
  4. Step 4: Simplify right side
    688,444.03x = 208,539,280,455.99
  5. Step 5: Solve for x
    x = 208,539,280,455.99/688,444.03
  6. Step 6: Final answer
    x = 302,913.92

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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.