Home / 774,012.30-1,161,018.45-470,894.10

Finding the Fourth Proportional to 774,012.30, 1,161,018.45 and 470,894.10

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Solution

The fourth proportional to 774,012.30, 1,161,018.45 and 470,894.10 is: 706,341.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,012.30 : 1,161,018.45 = 470,894.10 : x
  2. Step 2: Convert to fraction form
    774,012.30/1,161,018.45 = 470,894.10/x
  3. Step 3: Cross multiply
    774,012.30x = 1,161,018.45 × 470,894.10
  4. Step 4: Simplify right side
    774,012.30x = 546,716,738,096.15
  5. Step 5: Solve for x
    x = 546,716,738,096.15/774,012.30
  6. Step 6: Final answer
    x = 706,341.15

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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.