Home / 739,595.60-1,020,527.88-417,280.40

Finding the Fourth Proportional to 739,595.60, 1,020,527.88 and 417,280.40

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Solution

The fourth proportional to 739,595.60, 1,020,527.88 and 417,280.40 is: 575,782.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,595.60 : 1,020,527.88 = 417,280.40 : x
  2. Step 2: Convert to fraction form
    739,595.60/1,020,527.88 = 417,280.40/x
  3. Step 3: Cross multiply
    739,595.60x = 1,020,527.88 × 417,280.40
  4. Step 4: Simplify right side
    739,595.60x = 425,846,281,977.55
  5. Step 5: Solve for x
    x = 425,846,281,977.55/739,595.60
  6. Step 6: Final answer
    x = 575,782.61

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1.5x scale

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.