Home / 734,127.94-1,013,530.89-462,428.74

Finding the Fourth Proportional to 734,127.94, 1,013,530.89 and 462,428.74

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Solution

The fourth proportional to 734,127.94, 1,013,530.89 and 462,428.74 is: 638,425.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,127.94 : 1,013,530.89 = 462,428.74 : x
  2. Step 2: Convert to fraction form
    734,127.94/1,013,530.89 = 462,428.74/x
  3. Step 3: Cross multiply
    734,127.94x = 1,013,530.89 × 462,428.74
  4. Step 4: Simplify right side
    734,127.94x = 468,685,812,413.78
  5. Step 5: Solve for x
    x = 468,685,812,413.78/734,127.94
  6. Step 6: Final answer
    x = 638,425.25

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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.