Home / 749,655.60-1,125,001.80-539,444.40

Finding the Fourth Proportional to 749,655.60, 1,125,001.80 and 539,444.40

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Solution

The fourth proportional to 749,655.60, 1,125,001.80 and 539,444.40 is: 809,539.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,655.60 : 1,125,001.80 = 539,444.40 : x
  2. Step 2: Convert to fraction form
    749,655.60/1,125,001.80 = 539,444.40/x
  3. Step 3: Cross multiply
    749,655.60x = 1,125,001.80 × 539,444.40
  4. Step 4: Simplify right side
    749,655.60x = 606,875,920,999.92
  5. Step 5: Solve for x
    x = 606,875,920,999.92/749,655.60
  6. Step 6: Final answer
    x = 809,539.64

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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.