Home / 688,814.96-1,030,200.84-613,445.36

Finding the Fourth Proportional to 688,814.96, 1,030,200.84 and 613,445.36

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Solution

The fourth proportional to 688,814.96, 1,030,200.84 and 613,445.36 is: 917,477.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,814.96 : 1,030,200.84 = 613,445.36 : x
  2. Step 2: Convert to fraction form
    688,814.96/1,030,200.84 = 613,445.36/x
  3. Step 3: Cross multiply
    688,814.96x = 1,030,200.84 × 613,445.36
  4. Step 4: Simplify right side
    688,814.96x = 631,971,925,166.10
  5. Step 5: Solve for x
    x = 631,971,925,166.10/688,814.96
  6. Step 6: Final answer
    x = 917,477.06

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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.