Home / 696,430.65-1,044,941.23-380,518.50

Finding the Fourth Proportional to 696,430.65, 1,044,941.23 and 380,518.50

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Solution

The fourth proportional to 696,430.65, 1,044,941.23 and 380,518.50 is: 570,939.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,430.65 : 1,044,941.23 = 380,518.50 : x
  2. Step 2: Convert to fraction form
    696,430.65/1,044,941.23 = 380,518.50/x
  3. Step 3: Cross multiply
    696,430.65x = 1,044,941.23 × 380,518.50
  4. Step 4: Simplify right side
    696,430.65x = 397,619,470,137.52
  5. Step 5: Solve for x
    x = 397,619,470,137.52/696,430.65
  6. Step 6: Final answer
    x = 570,939.07

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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.