Home / 742,721.04-1,024,976.16-403,211.52

Finding the Fourth Proportional to 742,721.04, 1,024,976.16 and 403,211.52

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Solution

The fourth proportional to 742,721.04, 1,024,976.16 and 403,211.52 is: 556,443.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,721.04 : 1,024,976.16 = 403,211.52 : x
  2. Step 2: Convert to fraction form
    742,721.04/1,024,976.16 = 403,211.52/x
  3. Step 3: Cross multiply
    742,721.04x = 1,024,976.16 × 403,211.52
  4. Step 4: Simplify right side
    742,721.04x = 413,282,195,437.36
  5. Step 5: Solve for x
    x = 413,282,195,437.36/742,721.04
  6. Step 6: Final answer
    x = 556,443.37

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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.