Home / 880,875.81-1,215,567.90-498,905.28

Finding the Fourth Proportional to 880,875.81, 1,215,567.90 and 498,905.28

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Solution

The fourth proportional to 880,875.81, 1,215,567.90 and 498,905.28 is: 688,466.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,875.81 : 1,215,567.90 = 498,905.28 : x
  2. Step 2: Convert to fraction form
    880,875.81/1,215,567.90 = 498,905.28/x
  3. Step 3: Cross multiply
    880,875.81x = 1,215,567.90 × 498,905.28
  4. Step 4: Simplify right side
    880,875.81x = 606,453,243,508.51
  5. Step 5: Solve for x
    x = 606,453,243,508.51/880,875.81
  6. Step 6: Final answer
    x = 688,466.22

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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.