Home / 742,580.34-1,024,762.84-403,048.59

Finding the Fourth Proportional to 742,580.34, 1,024,762.84 and 403,048.59

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Solution

The fourth proportional to 742,580.34, 1,024,762.84 and 403,048.59 is: 556,208.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,580.34 : 1,024,762.84 = 403,048.59 : x
  2. Step 2: Convert to fraction form
    742,580.34/1,024,762.84 = 403,048.59/x
  3. Step 3: Cross multiply
    742,580.34x = 1,024,762.84 × 403,048.59
  4. Step 4: Simplify right side
    742,580.34x = 413,029,217,746.40
  5. Step 5: Solve for x
    x = 413,029,217,746.40/742,580.34
  6. Step 6: Final answer
    x = 556,208.12

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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.