Home / 745,784.76-1,029,177.71-406,253.02

Finding the Fourth Proportional to 745,784.76, 1,029,177.71 and 406,253.02

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Solution

The fourth proportional to 745,784.76, 1,029,177.71 and 406,253.02 is: 560,626.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,784.76 : 1,029,177.71 = 406,253.02 : x
  2. Step 2: Convert to fraction form
    745,784.76/1,029,177.71 = 406,253.02/x
  3. Step 3: Cross multiply
    745,784.76x = 1,029,177.71 × 406,253.02
  4. Step 4: Simplify right side
    745,784.76x = 418,106,552,804.18
  5. Step 5: Solve for x
    x = 418,106,552,804.18/745,784.76
  6. Step 6: Final answer
    x = 560,626.30

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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.