Home / 907,500.30-1,360,922.40-458,071.80

Finding the Fourth Proportional to 907,500.30, 1,360,922.40 and 458,071.80

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Solution

The fourth proportional to 907,500.30, 1,360,922.40 and 458,071.80 is: 686,942.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,500.30 : 1,360,922.40 = 458,071.80 : x
  2. Step 2: Convert to fraction form
    907,500.30/1,360,922.40 = 458,071.80/x
  3. Step 3: Cross multiply
    907,500.30x = 1,360,922.40 × 458,071.80
  4. Step 4: Simplify right side
    907,500.30x = 623,400,173,428.32
  5. Step 5: Solve for x
    x = 623,400,173,428.32/907,500.30
  6. Step 6: Final answer
    x = 686,942.11

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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.