Home / 879,467.10-1,319,200.65-458,688.30

Finding the Fourth Proportional to 879,467.10, 1,319,200.65 and 458,688.30

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Solution

The fourth proportional to 879,467.10, 1,319,200.65 and 458,688.30 is: 688,032.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,467.10 : 1,319,200.65 = 458,688.30 : x
  2. Step 2: Convert to fraction form
    879,467.10/1,319,200.65 = 458,688.30/x
  3. Step 3: Cross multiply
    879,467.10x = 1,319,200.65 × 458,688.30
  4. Step 4: Simplify right side
    879,467.10x = 605,101,903,507.40
  5. Step 5: Solve for x
    x = 605,101,903,507.40/879,467.10
  6. Step 6: Final answer
    x = 688,032.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.