Home / 742,570.24-1,024,748.10-403,038.64

Finding the Fourth Proportional to 742,570.24, 1,024,748.10 and 403,038.64

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Solution

The fourth proportional to 742,570.24, 1,024,748.10 and 403,038.64 is: 556,193.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,570.24 : 1,024,748.10 = 403,038.64 : x
  2. Step 2: Convert to fraction form
    742,570.24/1,024,748.10 = 403,038.64/x
  3. Step 3: Cross multiply
    742,570.24x = 1,024,748.10 × 403,038.64
  4. Step 4: Simplify right side
    742,570.24x = 413,013,080,566.58
  5. Step 5: Solve for x
    x = 413,013,080,566.58/742,570.24
  6. Step 6: Final answer
    x = 556,193.96

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Double scale
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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.