Home / 897,000.10-1,343,167.35-579,739.30

Finding the Fourth Proportional to 897,000.10, 1,343,167.35 and 579,739.30

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Solution

The fourth proportional to 897,000.10, 1,343,167.35 and 579,739.30 is: 868,101.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,000.10 : 1,343,167.35 = 579,739.30 : x
  2. Step 2: Convert to fraction form
    897,000.10/1,343,167.35 = 579,739.30/x
  3. Step 3: Cross multiply
    897,000.10x = 1,343,167.35 × 579,739.30
  4. Step 4: Simplify right side
    897,000.10x = 778,686,899,271.86
  5. Step 5: Solve for x
    x = 778,686,899,271.86/897,000.10
  6. Step 6: Final answer
    x = 868,101.24

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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.