Home / 742,482.40-1,024,629.36-402,951.04

Finding the Fourth Proportional to 742,482.40, 1,024,629.36 and 402,951.04

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Solution

The fourth proportional to 742,482.40, 1,024,629.36 and 402,951.04 is: 556,074.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,482.40 : 1,024,629.36 = 402,951.04 : x
  2. Step 2: Convert to fraction form
    742,482.40/1,024,629.36 = 402,951.04/x
  3. Step 3: Cross multiply
    742,482.40x = 1,024,629.36 × 402,951.04
  4. Step 4: Simplify right side
    742,482.40x = 412,875,466,226.53
  5. Step 5: Solve for x
    x = 412,875,466,226.53/742,482.40
  6. Step 6: Final answer
    x = 556,074.41

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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.