Home / 907,727.20-1,362,368.40-403,064.80

Finding the Fourth Proportional to 907,727.20, 1,362,368.40 and 403,064.80

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Solution

The fourth proportional to 907,727.20, 1,362,368.40 and 403,064.80 is: 604,942.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,727.20 : 1,362,368.40 = 403,064.80 : x
  2. Step 2: Convert to fraction form
    907,727.20/1,362,368.40 = 403,064.80/x
  3. Step 3: Cross multiply
    907,727.20x = 1,362,368.40 × 403,064.80
  4. Step 4: Simplify right side
    907,727.20x = 549,122,746,672.32
  5. Step 5: Solve for x
    x = 549,122,746,672.32/907,727.20
  6. Step 6: Final answer
    x = 604,942.48

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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.