Home / 470,341.44-649,075.98-255,485.70

Finding the Fourth Proportional to 470,341.44, 649,075.98 and 255,485.70

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Solution

The fourth proportional to 470,341.44, 649,075.98 and 255,485.70 is: 352,572.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,341.44 : 649,075.98 = 255,485.70 : x
  2. Step 2: Convert to fraction form
    470,341.44/649,075.98 = 255,485.70/x
  3. Step 3: Cross multiply
    470,341.44x = 649,075.98 × 255,485.70
  4. Step 4: Simplify right side
    470,341.44x = 165,829,631,103.49
  5. Step 5: Solve for x
    x = 165,829,631,103.49/470,341.44
  6. Step 6: Final answer
    x = 352,572.87

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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.