Home / 528,071.20-792,106.80-470,010.40

Finding the Fourth Proportional to 528,071.20, 792,106.80 and 470,010.40

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Solution

The fourth proportional to 528,071.20, 792,106.80 and 470,010.40 is: 705,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,071.20 : 792,106.80 = 470,010.40 : x
  2. Step 2: Convert to fraction form
    528,071.20/792,106.80 = 470,010.40/x
  3. Step 3: Cross multiply
    528,071.20x = 792,106.80 × 470,010.40
  4. Step 4: Simplify right side
    528,071.20x = 372,298,433,910.72
  5. Step 5: Solve for x
    x = 372,298,433,910.72/528,071.20
  6. Step 6: Final answer
    x = 705,015.60

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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.