Home / 688,381.26-1,030,734.80-403,837.98

Finding the Fourth Proportional to 688,381.26, 1,030,734.80 and 403,837.98

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Solution

The fourth proportional to 688,381.26, 1,030,734.80 and 403,837.98 is: 604,679.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,381.26 : 1,030,734.80 = 403,837.98 : x
  2. Step 2: Convert to fraction form
    688,381.26/1,030,734.80 = 403,837.98/x
  3. Step 3: Cross multiply
    688,381.26x = 1,030,734.80 × 403,837.98
  4. Step 4: Simplify right side
    688,381.26x = 416,249,859,547.70
  5. Step 5: Solve for x
    x = 416,249,859,547.70/688,381.26
  6. Step 6: Final answer
    x = 604,679.24

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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.