Home / 745,760.16-1,029,152.88-406,228.32

Finding the Fourth Proportional to 745,760.16, 1,029,152.88 and 406,228.32

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Solution

The fourth proportional to 745,760.16, 1,029,152.88 and 406,228.32 is: 560,597.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,760.16 : 1,029,152.88 = 406,228.32 : x
  2. Step 2: Convert to fraction form
    745,760.16/1,029,152.88 = 406,228.32/x
  3. Step 3: Cross multiply
    745,760.16x = 1,029,152.88 × 406,228.32
  4. Step 4: Simplify right side
    745,760.16x = 418,071,045,465.56
  5. Step 5: Solve for x
    x = 418,071,045,465.56/745,760.16
  6. Step 6: Final answer
    x = 560,597.18

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Double scale
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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.