Home / 852,188.69-1,176,044.91-470,240.12

Finding the Fourth Proportional to 852,188.69, 1,176,044.91 and 470,240.12

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Solution

The fourth proportional to 852,188.69, 1,176,044.91 and 470,240.12 is: 648,944.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,188.69 : 1,176,044.91 = 470,240.12 : x
  2. Step 2: Convert to fraction form
    852,188.69/1,176,044.91 = 470,240.12/x
  3. Step 3: Cross multiply
    852,188.69x = 1,176,044.91 × 470,240.12
  4. Step 4: Simplify right side
    852,188.69x = 553,023,499,603.79
  5. Step 5: Solve for x
    x = 553,023,499,603.79/852,188.69
  6. Step 6: Final answer
    x = 648,944.89

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.