Home / 742,547.74-1,114,290.18-316,082.95

Finding the Fourth Proportional to 742,547.74, 1,114,290.18 and 316,082.95

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Solution

The fourth proportional to 742,547.74, 1,114,290.18 and 316,082.95 is: 474,323.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,547.74 : 1,114,290.18 = 316,082.95 : x
  2. Step 2: Convert to fraction form
    742,547.74/1,114,290.18 = 316,082.95/x
  3. Step 3: Cross multiply
    742,547.74x = 1,114,290.18 × 316,082.95
  4. Step 4: Simplify right side
    742,547.74x = 352,208,127,250.43
  5. Step 5: Solve for x
    x = 352,208,127,250.43/742,547.74
  6. Step 6: Final answer
    x = 474,323.88

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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.