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Finding the Fourth Proportional to 895,280.80, 1,344,476.40 and 475,376.80

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Solution

The fourth proportional to 895,280.80, 1,344,476.40 and 475,376.80 is: 713,890.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,280.80 : 1,344,476.40 = 475,376.80 : x
  2. Step 2: Convert to fraction form
    895,280.80/1,344,476.40 = 475,376.80/x
  3. Step 3: Cross multiply
    895,280.80x = 1,344,476.40 × 475,376.80
  4. Step 4: Simplify right side
    895,280.80x = 639,132,888,707.52
  5. Step 5: Solve for x
    x = 639,132,888,707.52/895,280.80
  6. Step 6: Final answer
    x = 713,890.98

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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.