Home / 742,484.40-1,024,632.12-402,953.04

Finding the Fourth Proportional to 742,484.40, 1,024,632.12 and 402,953.04

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Solution

The fourth proportional to 742,484.40, 1,024,632.12 and 402,953.04 is: 556,077.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,484.40 : 1,024,632.12 = 402,953.04 : x
  2. Step 2: Convert to fraction form
    742,484.40/1,024,632.12 = 402,953.04/x
  3. Step 3: Cross multiply
    742,484.40x = 1,024,632.12 × 402,953.04
  4. Step 4: Simplify right side
    742,484.40x = 412,878,627,635.65
  5. Step 5: Solve for x
    x = 412,878,627,635.65/742,484.40
  6. Step 6: Final answer
    x = 556,077.18

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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.