Home / 558,460.76-831,374.86-555,139.32

Finding the Fourth Proportional to 558,460.76, 831,374.86 and 555,139.32

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Solution

The fourth proportional to 558,460.76, 831,374.86 and 555,139.32 is: 826,430.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,460.76 : 831,374.86 = 555,139.32 : x
  2. Step 2: Convert to fraction form
    558,460.76/831,374.86 = 555,139.32/x
  3. Step 3: Cross multiply
    558,460.76x = 831,374.86 × 555,139.32
  4. Step 4: Simplify right side
    558,460.76x = 461,528,874,445.50
  5. Step 5: Solve for x
    x = 461,528,874,445.50/558,460.76
  6. Step 6: Final answer
    x = 826,430.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.