Home / 979,733.76-1,470,144.96-530,448

Finding the Fourth Proportional to 979,733.76, 1,470,144.96 and 530,448

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Solution

The fourth proportional to 979,733.76, 1,470,144.96 and 530,448 is: 795,966.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,733.76 : 1,470,144.96 = 530,448 : x
  2. Step 2: Convert to fraction form
    979,733.76/1,470,144.96 = 530,448/x
  3. Step 3: Cross multiply
    979,733.76x = 1,470,144.96 × 530,448
  4. Step 4: Simplify right side
    979,733.76x = 779,835,453,742.08
  5. Step 5: Solve for x
    x = 779,835,453,742.08/979,733.76
  6. Step 6: Final answer
    x = 795,966.71

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1.5x scale

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.