Home / 761,031.50-1,050,210.60-421,492.46

Finding the Fourth Proportional to 761,031.50, 1,050,210.60 and 421,492.46

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Solution

The fourth proportional to 761,031.50, 1,050,210.60 and 421,492.46 is: 581,652.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,031.50 : 1,050,210.60 = 421,492.46 : x
  2. Step 2: Convert to fraction form
    761,031.50/1,050,210.60 = 421,492.46/x
  3. Step 3: Cross multiply
    761,031.50x = 1,050,210.60 × 421,492.46
  4. Step 4: Simplify right side
    761,031.50x = 442,655,849,312.08
  5. Step 5: Solve for x
    x = 442,655,849,312.08/761,031.50
  6. Step 6: Final answer
    x = 581,652.47

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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.