Home / 652,038.36-899,479.32-434,621.40

Finding the Fourth Proportional to 652,038.36, 899,479.32 and 434,621.40

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Solution

The fourth proportional to 652,038.36, 899,479.32 and 434,621.40 is: 599,555.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,038.36 : 899,479.32 = 434,621.40 : x
  2. Step 2: Convert to fraction form
    652,038.36/899,479.32 = 434,621.40/x
  3. Step 3: Cross multiply
    652,038.36x = 899,479.32 × 434,621.40
  4. Step 4: Simplify right side
    652,038.36x = 390,932,961,329.45
  5. Step 5: Solve for x
    x = 390,932,961,329.45/652,038.36
  6. Step 6: Final answer
    x = 599,555.16

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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.