Home / 740,934.69-1,022,490.87-401,402.94

Finding the Fourth Proportional to 740,934.69, 1,022,490.87 and 401,402.94

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Solution

The fourth proportional to 740,934.69, 1,022,490.87 and 401,402.94 is: 553,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,934.69 : 1,022,490.87 = 401,402.94 : x
  2. Step 2: Convert to fraction form
    740,934.69/1,022,490.87 = 401,402.94/x
  3. Step 3: Cross multiply
    740,934.69x = 1,022,490.87 × 401,402.94
  4. Step 4: Simplify right side
    740,934.69x = 410,430,841,341.16
  5. Step 5: Solve for x
    x = 410,430,841,341.16/740,934.69
  6. Step 6: Final answer
    x = 553,936.60

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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.