Home / 877,089.47-1,210,383.61-474,681.47

Finding the Fourth Proportional to 877,089.47, 1,210,383.61 and 474,681.47

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Solution

The fourth proportional to 877,089.47, 1,210,383.61 and 474,681.47 is: 655,060.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,089.47 : 1,210,383.61 = 474,681.47 : x
  2. Step 2: Convert to fraction form
    877,089.47/1,210,383.61 = 474,681.47/x
  3. Step 3: Cross multiply
    877,089.47x = 1,210,383.61 × 474,681.47
  4. Step 4: Simplify right side
    877,089.47x = 574,546,664,020.09
  5. Step 5: Solve for x
    x = 574,546,664,020.09/877,089.47
  6. Step 6: Final answer
    x = 655,060.50

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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.