Home / 561,567.27-774,962.86-306,918.45

Finding the Fourth Proportional to 561,567.27, 774,962.86 and 306,918.45

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Solution

The fourth proportional to 561,567.27, 774,962.86 and 306,918.45 is: 423,547.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,567.27 : 774,962.86 = 306,918.45 : x
  2. Step 2: Convert to fraction form
    561,567.27/774,962.86 = 306,918.45/x
  3. Step 3: Cross multiply
    561,567.27x = 774,962.86 × 306,918.45
  4. Step 4: Simplify right side
    561,567.27x = 237,850,399,798.77
  5. Step 5: Solve for x
    x = 237,850,399,798.77/561,567.27
  6. Step 6: Final answer
    x = 423,547.48

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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.