Home / 875,979.84-1,208,417.60-565,775.76

Finding the Fourth Proportional to 875,979.84, 1,208,417.60 and 565,775.76

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Solution

The fourth proportional to 875,979.84, 1,208,417.60 and 565,775.76 is: 780,489.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,979.84 : 1,208,417.60 = 565,775.76 : x
  2. Step 2: Convert to fraction form
    875,979.84/1,208,417.60 = 565,775.76/x
  3. Step 3: Cross multiply
    875,979.84x = 1,208,417.60 × 565,775.76
  4. Step 4: Simplify right side
    875,979.84x = 683,693,386,037.38
  5. Step 5: Solve for x
    x = 683,693,386,037.38/875,979.84
  6. Step 6: Final answer
    x = 780,489.86

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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.