Home / 742,574.48-1,024,647.72-440,888.72

Finding the Fourth Proportional to 742,574.48, 1,024,647.72 and 440,888.72

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Solution

The fourth proportional to 742,574.48, 1,024,647.72 and 440,888.72 is: 608,364.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,574.48 : 1,024,647.72 = 440,888.72 : x
  2. Step 2: Convert to fraction form
    742,574.48/1,024,647.72 = 440,888.72/x
  3. Step 3: Cross multiply
    742,574.48x = 1,024,647.72 × 440,888.72
  4. Step 4: Simplify right side
    742,574.48x = 451,755,621,721.72
  5. Step 5: Solve for x
    x = 451,755,621,721.72/742,574.48
  6. Step 6: Final answer
    x = 608,364.05

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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.