Home / 760,501.20-1,049,755.80-470,334.90

Finding the Fourth Proportional to 760,501.20, 1,049,755.80 and 470,334.90

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Solution

The fourth proportional to 760,501.20, 1,049,755.80 and 470,334.90 is: 649,225.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,501.20 : 1,049,755.80 = 470,334.90 : x
  2. Step 2: Convert to fraction form
    760,501.20/1,049,755.80 = 470,334.90/x
  3. Step 3: Cross multiply
    760,501.20x = 1,049,755.80 × 470,334.90
  4. Step 4: Simplify right side
    760,501.20x = 493,736,789,217.42
  5. Step 5: Solve for x
    x = 493,736,789,217.42/760,501.20
  6. Step 6: Final answer
    x = 649,225.52

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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.