Home / 742,181.04-1,024,211.76-402,649.28

Finding the Fourth Proportional to 742,181.04, 1,024,211.76 and 402,649.28

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Solution

The fourth proportional to 742,181.04, 1,024,211.76 and 402,649.28 is: 555,657.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,181.04 : 1,024,211.76 = 402,649.28 : x
  2. Step 2: Convert to fraction form
    742,181.04/1,024,211.76 = 402,649.28/x
  3. Step 3: Cross multiply
    742,181.04x = 1,024,211.76 × 402,649.28
  4. Step 4: Simplify right side
    742,181.04x = 412,398,127,731.53
  5. Step 5: Solve for x
    x = 412,398,127,731.53/742,181.04
  6. Step 6: Final answer
    x = 555,657.05

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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.