Home / 623,639.10-936,005.40-370,603.20

Finding the Fourth Proportional to 623,639.10, 936,005.40 and 370,603.20

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Solution

The fourth proportional to 623,639.10, 936,005.40 and 370,603.20 is: 556,229.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,639.10 : 936,005.40 = 370,603.20 : x
  2. Step 2: Convert to fraction form
    623,639.10/936,005.40 = 370,603.20/x
  3. Step 3: Cross multiply
    623,639.10x = 936,005.40 × 370,603.20
  4. Step 4: Simplify right side
    623,639.10x = 346,886,596,457.28
  5. Step 5: Solve for x
    x = 346,886,596,457.28/623,639.10
  6. Step 6: Final answer
    x = 556,229.71

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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.