Home / 761,479.32-1,050,818.52-417,311.04

Finding the Fourth Proportional to 761,479.32, 1,050,818.52 and 417,311.04

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Solution

The fourth proportional to 761,479.32, 1,050,818.52 and 417,311.04 is: 575,876.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,479.32 : 1,050,818.52 = 417,311.04 : x
  2. Step 2: Convert to fraction form
    761,479.32/1,050,818.52 = 417,311.04/x
  3. Step 3: Cross multiply
    761,479.32x = 1,050,818.52 × 417,311.04
  4. Step 4: Simplify right side
    761,479.32x = 438,518,169,432.46
  5. Step 5: Solve for x
    x = 438,518,169,432.46/761,479.32
  6. Step 6: Final answer
    x = 575,876.66

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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.