Home / 970,182.82-1,455,598.11-430,364.63

Finding the Fourth Proportional to 970,182.82, 1,455,598.11 and 430,364.63

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Solution

The fourth proportional to 970,182.82, 1,455,598.11 and 430,364.63 is: 645,690.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,182.82 : 1,455,598.11 = 430,364.63 : x
  2. Step 2: Convert to fraction form
    970,182.82/1,455,598.11 = 430,364.63/x
  3. Step 3: Cross multiply
    970,182.82x = 1,455,598.11 × 430,364.63
  4. Step 4: Simplify right side
    970,182.82x = 626,437,942,038.85
  5. Step 5: Solve for x
    x = 626,437,942,038.85/970,182.82
  6. Step 6: Final answer
    x = 645,690.62

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Double scale
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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.