Home / 742,384.04-1,024,492.78-402,852.32

Finding the Fourth Proportional to 742,384.04, 1,024,492.78 and 402,852.32

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Solution

The fourth proportional to 742,384.04, 1,024,492.78 and 402,852.32 is: 555,937.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,384.04 : 1,024,492.78 = 402,852.32 : x
  2. Step 2: Convert to fraction form
    742,384.04/1,024,492.78 = 402,852.32/x
  3. Step 3: Cross multiply
    742,384.04x = 1,024,492.78 × 402,852.32
  4. Step 4: Simplify right side
    742,384.04x = 412,719,293,246.25
  5. Step 5: Solve for x
    x = 412,719,293,246.25/742,384.04
  6. Step 6: Final answer
    x = 555,937.72

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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.